work is...

• energy from the sun
• a type of machine
• a force that moves an object
• a force that pulls you toward the earh

Tags

NGSS.MS-PS3-5

Which of these is an example of a wedge?

• skateboard
• broom
• stairs
• butter knife

Which of these is not an example of an inclined plane?

• ladder
• stairs
• wall
• driveway

Which is an example of someone using a simple machine to do work?

• a boy runs across a football field
• a banker counts money
• a mother pushes a stroller up a ramp
• a girl eats a sandwich

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which is a characteristic of a simple machine?

• They run on electricity.
• They take a long time to make.
• They have few or no moving parts.
• They are not very large.

The steeper the slope or incline, the more force applied is required

• True

• False

Tags

NGSS.HS-PS2-1

When you use the edge to push things apart, this movable incline plane is what type of simple machine?

• The wedge

• Pulley

• Lever

• The screw

What type of simple machine is a scooter ramp?

• Pulley

• Wedge

• Lever

• Incline plane

What type of simple machine is this?

• The screw

• Pulley

• The inclined plane

• Lever

What are the elements of an inclined plane?

• Load

• Slope and rise

• Simple machines

• Compound machines