Inertia
Quiz by Abigail Henderson
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15 questions
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- Q1How does inertia affect an object at rest?An object at rest will disappearAn object at rest will start moving on its ownAn object at rest will remain at rest unless acted upon by an external forceAn object at rest will gradually begin to spin30s
- Q2In a car crash, why is it important to wear a seatbelt in terms of inertia?Wearing a seatbelt helps the car accelerate fasterWearing a seatbelt makes the car turn more smoothlyWearing a seatbelt prevents the body from continuing forward due to inertia when the car suddenly stopsWearing a seatbelt increases the impact force of the crash30s
- Q3What effect does friction have on an object's inertia?Friction helps an object move fasterFriction has no impact on an object's inertiaFriction can reduce an object's inertia by acting as a resisting forceFriction increases an object's inertia30s
- Q4Which of the following best describes inertia?The tendency of an object to resist changes in its state of motionThe speed of an object in motionThe force that causes objects to moveThe ability of an object to float in water30s
- Q5What happens when unbalanced forces act on an object?The object will change colorThe object will stop movingThe object will move at a constant speedThe object will accelerate in the direction of the larger force30s
- Q6How does the speed of an object change when unbalanced forces act on it?The speed remains constantThe object changes colorThe object stops movingThe speed of the object increases or decreases depending on the direction of the force30s
- Q7What happens to an object when balanced forces act on it?The object stops moving completelyThe object accelerates in the direction of the net forceThe object remains at rest or continues moving at a constant velocityThe object moves in different directions at different speeds30s
- Q8Which of the following factors does not affect friction?Force pushing the objectsColor of the surfaceRoughness of the surfacesWeight of the objects30s
- Q9What is the force that opposes the motion of objects sliding against each other?Frictional forceGravitational forceElectric forceMagnetic force30s
- Q10Which of the following factors can increase friction between surfaces?Applying more forceAdding more lubricantDecreasing the roughness of the surfacesReducing the weight of the objects30s
- Q11According to Newton's first law of motion, an object at rest tends to stay at rest unless acted upon by?magnetisman external forcegravityfriction30s
- Q12Which of Newton's laws states that for every action, there is an equal and opposite reaction?Newton's law of universal gravitationNewton's first law of motionNewton's third law of motionNewton's second law of motion30s
- Q13Which of Newton's laws describes the relationship between an object's mass, acceleration, and the force applied to it?Newton's first law of motionNewton's second law of motionNewton's third law of motionNewton's law of universal gravitation30s
- Q14If two skaters standing on ice push away from each other, which of Newton's laws best describes this action?Newton's second law of motionNewton's third law of motionNewton's first law of motionNewton's law of universal gravitation30s
- Q15When a soccer ball is kicked, which of Newton's laws explains why the ball changes its motion?Newton's third law of motionNewton's second law of motionNewton's first law of motionNewton's law of universal gravitation30s