Lever

Simple machines make the work we have to do easier, but it is still the same amount of work.

• TRUE

• FALSE

Which of these is in the middle for a sugar tong?

• Load

• effort

• fulcrum

• none of the above

An example of a lever is a ...

• pulley

• bicycle 

• scissors 

• screw 

Tags

NGSS.MS-PS2-2

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

• FOOT, EFFORT, REPORT

• FULCRUM, STRUCTURE, EFFORT

• FULCRUM, EFFORT, LOAD

• FULCRUM, LOAD, SUPPORT

What class lever does this picture show?

• 1st

• 2nd

• 3rd

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If you want to decrease the effort force when using a lever, where will you move the fulcrum? 

• Closer to the object you want to move

• Farther away from the object you want to move

• You don't move the fulcrum, you move the effort force

• None of these answers 

Which type of lever is this?

• First Class Lever

• Second Class Lever

• Third Class Lever

What kind of lever is this?

• First Class Lever

• Second Class Lever

• Third Class Lever

A lever is designed to

• decrease the amount of force required to do work

• decrease the amount of time required to do work

• increase the amount of energy needed to work

• decrease the amount of work done

The place where a lever pivots is called the _______.

• Force / Effort

• Fulcrum

• Load

• Rigid Bar