Intro to Simple Machines

Simple Machines

Look at the Smartboard

Watch the video to learn about work
You will have questions after the video

Multiple Choice

Work is done when a force causes an object to move in the direction of the force

• true

• false

• sometimes

Multiple Choice

Identify whether work is done or not in the picture

• Yes

• No

Multiple Choice

You lift a box of newspapers.

• Work

• No Work

Multiple Choice

You hold a heavy piece of wood in one place.

• Work

• No Work