Topic Test Answers

Which one of the following is NOT an example of work being done?

When you apply force at an angle to the direction of movement, ____ of the force does work.

Please select the word from the list that best fits the definition

Even if two cars perform the same amount of work, one car can still have more power.

The rate at which work is done is called ____.

Power describes the ______ of the work that is being done.

Power is the amount of

For work to be done, a force must be applied in the opposite direction of the motion. Please select the best answer from the choices provided

Work is measured in joules.

The unit of power is the watt.

All forms of energy can do work.

If the power of an engine is known and the amount of time that the engine exerts this power is known, what can be calculated?

Which equation can be used to find power, P, in terms of force, F, distance, d, and time, t?

A joule is equal to one ______ times one meter.

Watts are measured in ____.a.c.m/s2b.J/sd.J/m

Power is the rate at which work is done. Please select the best answer from the choices provided

When you perform work on an object you increase the energy of the object.

When you use a crowbar to lift a large rock, you are working against the force called ______.

When force is perpendicular to the direction of motion, no work is done.