Work-Energy-Electricity Unit Review

What is needed to calculate work?

• time and distance

• speed and distance

• force and direction

• acceleration and velocity

Is this an example of work?

• Yes

• No

What is the unit of measurement for work?

• meters

• newtons

• m/s

• Joules

Is this an example of work?

• Yes

• No!

500 J of work is done by a person who uses a force of 50N to move a box, how far does it go?

• 10 m

• 0.1 m

• 25,000 m

• 10 J

Newtons are the unit for _____________.

• Work

• Distance

• Acceleration

• Force

A push or a pull

• Work

• Force

• Acceleration

• Speed

For work to be done on an object, the direction and force have to be going the same direction.

• True

• False

Picking up a box is an example of____________

• Work

• Not Work

You exert 200 J of work by pulling on an object with 20 N of force. What distance is the object moved?

• .01 m

• 10 m

• 10 J

• 4,000 m