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Q 1/185
Score 0
An object's kinetic energy depends on which two factors, and how does its speed affect this energy?
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Mass and height; slower speed results in more kinetic energy.
Volume and density; speed does not affect kinetic energy.
Weight and gravity; kinetic energy is only present when an object is still.
Mass and velocity; faster speed results in more kinetic energy.
Q 2/185
Score 0
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185 questions
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An object's kinetic energy depends on which two factors, and how does its speed affect this energy?
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Which of the following describes what happens to an object's kinetic energy if its mass remains the same but its speed increases?
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Which of the following objects has the greatest kinetic energy?
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If two objects are traveling at the same speed, but Object A has twice the mass of Object B, which statement correctly compares their kinetic energy?
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What happens to the kinetic energy of a runner if they triple their speed (velocity) while their mass stays the same?
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Which of the following is the most accurate definition of Energy in the context of Physics?
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Which of the following scenarios best demonstrates kinetic energy through the motion of an object?
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Which statement best explains why running students, moving cars, and turning wind turbines are all examples of kinetic energy?
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If we look at examples like moving cars on a track or wind turning a wind turbine, what two factors most directly determine the amount of kinetic energy they have?
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Which of the following examples would result in an increase in kinetic energy?
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Imagine a basketball rolling on a floor and a student running during PE. If both were moving at the same speed, why would the running student likely have more kinetic energy than the basketball?
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Which of the following scenarios would result in the greatest Gravitational Potential Energy (GPE)?
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When a person pulls back a slingshot and releases a stone, what energy transformation is primarily occurring as the stone flies away?
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Which of the following scenarios best demonstrates the Law of Conservation of Energy by showing energy changing from kinetic to potential?
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An archer pulls back a bowstring to aim at a target. According to the Law of Conservation of Energy, what happens at the moment the arrow is released?
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As a ball is thrown upward and begins to slow down before reaching its peak, what energy transformation is taking place?
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According to the Law of Conservation of Energy, what happens to the total amount of energy when a moving object slows down and its energy is stored as height?
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Which of the following describes the energy transformation that occurs when a ball is initially dropped from a high ledge and starts to fall toward the ground?
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Which of the following phrases correctly describes the Law of Conservation of Energy during the transition from potential to kinetic energy?
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Which of the following is an example of kinetic energy being transformed into potential energy?
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Which of the following describes the energy transformation in an archer's bow from the moment the string is pulled back and held, to the moment the arrow is released?
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When a swing reaches the very bottom of its arc and is moving at its fastest speed before starting to climb again, what has happened to its energy?
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Which of the following describes a situation where a force is causing a change in the shape of an object?
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Which of these scenarios best illustrates a force changing the direction of an object's motion?
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Which of the following describes a force acting to change the speed of an object?
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Which of the following describes a force acting to start the motion of an object?
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Which of the following is NOT a way that a force can affect an object according to the basic principles of physics?
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An archer pulls back the string of a bow before releasing an arrow. Which effect of force is primarily demonstrated as the string is pulled back?
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Which of the following is the best definition of a force in physics?
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When a baseball player catches a fast-moving ball in their mitt, which primary effect of force is being demonstrated?
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Imagine a marble rolling across a smooth floor at a constant speed. If you gently push the marble from the side without stopping it, which effect of force are you demonstrating?
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Which of the following is a clear example of a force causing an object to stop its motion?
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Which of the following scenarios describes a non-contact force acting on an object?
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Which of these is considered a contact force because it requires the objects to be physically touching?
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Which of the following describes the interaction between a balloon sticking to hair and the force type involved?
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Which of the following forces specifically describes a rope pulling on an object, and what category of force does it belong to?
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If you are sliding a box across the floor, which contact force is acting between the bottom of the box and the floor's surface to oppose the motion?
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Which of the following describes the difference between an applied force and a magnetic force?
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Which of these forces is responsible for a person being able to stand on the ground without falling through it, and is it a contact or non-contact force?
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Which of the following describes a pair of forces where one is a contact force and the other is a non-contact force?
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Which of these pairs incorrectly matches a force with its category?
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Which of the following describes the interaction between a person's shoes and the floor as they walk, and what type of force is it?
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Which of the following scenarios best demonstrates the effect of unbalanced forces on an object?
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If a car is traveling down a straight road and the driver slams on the brakes to stop suddenly, what is happening to the forces acting on the car?
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An object maintains its current state of motion (either remaining still or moving at a constant velocity) only when the forces acting on it are balanced. Which of the following is an example of balanced forces?
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Which of the following statements correctly describes the difference between balanced and unbalanced forces?
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A bicycle is speeding up as a rider pedals down the street. Which statement accurately describes the forces acting on the bicycle?
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A book is placed on a flat table and remains perfectly still. Which of the following best explains why the book does not move?
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If two people are pushing a heavy box from opposite sides with the same amount of force, and the box does not move, how would you describe the forces acting on the box?
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If a person is standing still on a scale, the scale shows their weight because gravity is pulling them down and the scale is pushing them up. Which statement describes this situation?
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If you are pushing a lawnmower and it begins to speed up across the yard, which statement correctly describes the forces at work?
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Which of the following scenarios best demonstrates that acceleration is occurring based on the changes in an object's motion?
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Which of the following statements is true regarding the acceleration of an object moving at a high speed?
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Which of these is NOT a way for acceleration to occur?
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In the context of physics, why does a ceiling fan blade undergo acceleration even if it spins at a constant speed?
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Which of the following describes an object with zero acceleration?
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Which of the following situations describes a change in motion that results in acceleration?
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Which of the following describes an object that is NOT accelerating?
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Which of the following is an example of acceleration occurring due to a change in direction?
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Which of these real-life scenarios describes acceleration occurring specifically as an object slows down?
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If an object is dropped from a cliff, how much does its speed increase during the interval between the 4th second and the 5th second of its fall?
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A cellphone accidentally drops from a footbridge. Ignoring air resistance, what is the acceleration of the phone as it falls toward the ground?
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In Uniform Circular Motion (UCM), which of the following remains constant as an object moves along its path?
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Which of the following describes an object experiencing Uniform Circular Motion?
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Even if the speed of a blade on an electric fan is constant, why is the blade's velocity considered to be changing?
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Which of the following is NOT a characteristic of an object in Uniform Circular Motion?
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Which household appliance uses the principle of Uniform Circular Motion to remove water from clothes during its spin cycle?
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Which of the following describes the change in direction for an object in Uniform Circular Motion (UCM)?
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Which of these amusement park rides is a primary example of Uniform Circular Motion?
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If an object is in Uniform Circular Motion, what can we say about the path it follows and its speed?
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If an object is in Uniform Circular Motion, what is true about the direction of its motion at any given moment?
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Which quantity measures the acceleration directed toward the center of the circle in Uniform Circular Motion?
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Which of the following units is used to measure the number of complete rotations occurring in one second?
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If a ball is being swung in a circle on a string and the string suddenly breaks, removing the centripetal force, what will happen to the ball?
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Which of the following acts as the centripetal force that keeps a car moving in a curved path around a flat corner on a road?
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In Uniform Circular Motion (UCM), if a net force causes a positive acceleration in the direction of the object's motion, what happens to the object?
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Which source of centripetal force is responsible for keeping the Moon in orbit around the Earth?
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When a roller coaster car goes through a vertical loop, the track pushes down on the car at the very top. Which source of centripetal force is this push from the surface?
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If a string used to whirl a ball in a circle is cut, the ball's path is described as being 'tangent' to the circle. What does this mean for the ball's motion?
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Which of the following describes the source of centripetal force and the resulting motion if that force is suddenly removed for a rock being whirled on a string?
163
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An object experiencing a centripetal force is currently in Uniform Circular Motion. If a new force is applied that causes a positive acceleration in the direction of the object's velocity, how will the object's motion change?
164
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An athlete is spinning a heavy hammer in a circle during a track and field event. While the hammer is spinning, which source of centripetal force is primarily responsible for keeping the hammer in its circular path?
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An object moves in a circle at a constant speed. Why is the object considered to be accelerating?
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What is the name of the force that acts on an object moving in a circular path and is directed toward the center around which the object is moving?
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In uniform circular motion, which of the following statements is true regarding the object's speed and velocity?
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Which of the following describes acceleration in the context of physics?
179
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If the centripetal force acting on an object in uniform circular motion were suddenly removed, what would happen to the object?
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Which of the following scenarios is the best example of uniform circular motion?
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Which component of motion must change for an object moving at a constant speed to still be considered accelerating?
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Which of the following is a necessary condition for an object to undergo uniform circular motion?
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Which of the following is true regarding the speed of an object in uniform circular motion?
