Levers

Question 1

What does a lever consist of

Answer 1

• a pivot
• an effort
• a load

Question 2

What is a pivot

Answer 2

• A point around which something can rotate or turn.

Question 3

What is effort

Answer 3

• Force used to move a load over a distance

Question 4

What is a load

Answer 4

• The overall force that is exerted, usually by a mass or object, on a surface.

Question 5

Class one lever

Answer 5

• effort - pivot - load

Question 6

Examples of class one levers

Answer 6

• see-saw
• crowbar
• scissors

Question 7

class two levers

Answer 7

• pivot - load - effort

Question 8

Class 2 lever examples

Answer 8

• wheelbarrow
• nutcracker

Question 9

Class 3 levers

Answer 9

• pivot - effort - load

Question 10

Class 3 lever examples

Answer 10

• tweezers
• cooking tongs
• Fishing rod

Question 11

How to make a lever easier to use

Answer 11

• The longer the lever
• and the further the effort acts from the pivot
• the greater the force on the load will be.