True or false 1. If the force is in the opposite direction of displacement the w

Question

True or false

1. If the force is in the opposite direction of displacement the work done by the force is negative

2. A pendulum is moving back and forth between the two end points. Assume that there is no air resistance. The kinetic energy of the pendulum is zero at its endpoints.

3. The lesser an engine has the faster it can complete a task

4. The acceleration of an object is inversely proportional to the net force acting on that object

5. A satellite is orbiting around the earth. The gravitational force exerted by the earth on the satellite keeps the satellite on its orbit. If we consider this force to be the action, there is no reaction to this force.

Explanation / Answer

TRUE

TRUE

FALSE

FALSE

FALSE

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