F.4 Ch. 8 Check Concept - Work, Energy & Power

Doing work is a process of transferring energy.

• True

• False

The unit of work is newton (N).

• True

• False

Work is a vector quantity.

• True

• False

No work is done when the force and the direction of motion of an object are in opposite directions.

• True

• False

Gravitational potential energy is the energy possessed by an object due to its position under gravity.

• True

• False

Kinetic energy of a moving object is determined by its speed only.

• True

• False

Burning fuel can create energy.

• True

• False

Kinetic energy and potential energy of a system may be inter-converted.

• True

• False

Power is a measure of the rate of energy transfer.

• True

• False

The unit of power is watt (W).

• True

• False