Work and Power Quick Check

Question

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Question
In which situation is there work done on an object?(1 point)
Responses

A force is applied to the object, and the object moves in the direction opposite the force.
A force is applied to the object, and the object moves in the direction opposite the force.

A force is applied to the object, and the object moves in the direction of the force.
A force is applied to the object, and the object moves in the direction of the force.

No force is applied to the object, but the object still moves.
No force is applied to the object, but the object still moves.

No force is applied to the object, and the object is stationary.
No force is applied to the object, and the object is stationary.
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Answer 1

The correct response is:

A force is applied to the object, and the object moves in the direction of the force.

In this situation, work is done on the object because work is defined as the product of the force applied to an object and the distance over which that force is applied in the direction of the force.