Review Work and Energy

What is the unit of measurement for work?

• meters

• newtons

• m/s

• Joules

Is this an example of work?

• Yes

• No!

You have to push with 15 N of force to move it 10 meters. How much work do you do?

• 15 Joules

• 150 Joules

• 1.5 Joules

• .67 Joules

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

Picking up a box is an example of____________

• Work

• Not Work

Pushing a box across the floor 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

Power is measured in ___________.

• meters

• joules

• newtons

• watts