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The figure below shows a man pushing a stationary car. Which statement best describes the situation? 
AThe man applies a force on the car due to an interaction between the two.
BForces only act on objects that are already moving.
CNo force is acting on the car because the car was at rest.
DThe car applies a force on the man, but the man does not apply any force on the car.
Answer & Solution
Correct answer: A. The man applies a force on the car due to an interaction between the two.
Force always arises out of an interaction between at least two objects. When the man pushes the car, his hands and the car interact, and a force is applied on the car in the direction of the push. The car may begin to move in that direction.
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