SIMPLE MACHINES

in the second class lever what is in between

• load

• effort

• fulcrum

how many types are there of simple machines

• 7

• 6

• 5

• 8

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley
• lever
• screw
• wedge

An example of a lever is a ...

• pulley
• bicycle 
• scissors 
• screw 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

For a lever to be a first class lever the fulcrum needs to be ..

• between the load and the effort
• on one side and the load and effort on the other side 
• on the same side as the load arm. 

A good example of a second class lever is the ...

• Can-opener
• Wheelbarrow 
• hammer 
• tongs 

When you kick a ball the fulcrum is your ..

• foot
• ball 
• leg 
• knee

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What type of simple machine does the photo show?

• Inclined plane
• Lever
• Screw
• Pulley

When you rub two surfaces together it's called

• speed
• friction
• effort
• joules

Effort is

• An inclined plane wrapped around a rod
• A unit used for measuring force
• How far an object moves in a certain amount of time
• The force applied to a simple machine

Tags

NGSS.MS-ETS1-1