Newton's laws of motion
Quiz by Angela Caswell
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18 questions
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- Q1Which of the following statements correctly describes Newton's First Law of Motion?For every action, there is an equal and opposite reaction.An object at rest will stay at rest unless acted upon by a net external force.The force acting on an object is equal to the mass of the object times its acceleration.An object in motion will stop moving unless acted upon by a force.30s
- Q2What does Newton's Second Law of Motion state?An object will continue in its state of rest or uniform motion unless acted upon.For every action, there is an equal and opposite reaction.The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.The velocity of an object remains constant unless acted upon by an external force.30s
- Q3Which of the following best illustrates Newton's Third Law of Motion?A ball thrown upwards eventually falls back down due to gravity.A swimmer pushes the water backwards, causing herself to move forward.A book resting on a table stays in place until someone moves it.A car accelerates when the driver presses the gas pedal.30s
- Q4What is the primary reason a seatbelt is effective in a car during a sudden stop, according to Newton's laws of motion?It provides additional force to push the passenger back into the seat.It helps to counteract the inertia of the passenger, keeping them in place.It prevents the passenger from being thrown off the road.It increases the speed of the passenger during the stop.30s
- Q5In which scenario does Newton's Third Law of Motion apply?A rocket propelling itself upward by expelling exhaust gases downward.A pendulum swinging back and forth.A block sliding down a frictionless ramp accelerates.A car moving at a constant speed going around a curve.30s
- Q6What is the key idea behind inertia as described by Newton's First Law of Motion?Inertia is the force that causes objects to fall.Inertia is the same as momentum.Inertia is the effect of mass on acceleration.Inertia is the tendency of an object to resist changes in its state of motion.30s
- Q7According to Newton's Second Law of Motion, how does increasing the mass of an object affect its acceleration when the same force is applied?The object will not move at all.The acceleration of the object decreases.The acceleration remains the same.The acceleration of the object increases.30s
- Q8In a frictionless environment, if two objects of different masses are pushed with the same force, which object will have the greater acceleration?The object with the smaller mass will have the greater acceleration.The object with the greater mass will have the greater acceleration.Both objects will have the same acceleration.The acceleration cannot be determined without knowing the force.30s
- Q9What is the primary effect of removing an unbalanced force acting on an object in motion, according to Newton's First Law of Motion?The object will start moving faster in the same direction.The object's speed will fluctuate unpredictably.The object will continue moving in a straight line at a constant speed.The object will come to a complete stop immediately.30s
- Q10Which of the following scenarios best illustrates the concept of action and reaction from Newton's Third Law of Motion?A person pushing against a wall.A balloon propelling itself forward as the air rushes out of its opening.A book falling off a table and hitting the ground.A car making a turn and not skidding.30s
- Q11What is inertia, according to Newton's First Law of Motion?Inertia is the force that causes an object to fall.Inertia is the tendency of an object to resist changes in its state of motion.Inertia is the change in an object's motion due to applied force.Inertia is the measure of an object's speed.30s
- Q12What is the effect of a net external force on an object at rest, according to Newton's First Law?An external force only changes the object's mass.A net external force will cause the object to accelerate.An object at rest will start moving at a constant speed without acceleration.An object at rest will remain at rest regardless of external forces.30s
- Q13Which of the following best describes the relationship between force, mass, and acceleration?Acceleration is directly proportional to the net force and inversely proportional to the mass of the object.Mass is directly proportional to acceleration when force is constant.Force varies inversely with acceleration for a given mass.Acceleration is independent of both mass and force.30s
- Q14What does the term 'action-reaction pairs' refer to in Newton's Third Law of Motion?Action-reaction pairs are always equal and in the same direction.Action-reaction pairs refer to forces that occur only when two objects collide.Action-reaction pairs indicate that one object is always stronger than the other.Action-reaction pairs are forces that two objects exert on each other that are equal in magnitude and opposite in direction.30s
- Q15How does increasing the net force acting on an object affect its motion?Increasing the net force will increase the object's acceleration.Increasing the net force will cause the object to stop moving.Increasing the net force will decrease the object's velocity.Increasing the net force has no effect on the object's motion.30s