Lever Systems

Question 1

In a first-class lever system, where is the effort force, load force, and fulcrum located?

Answer 1

In a first-class lever system, the effort force and load are located on opposite sides of the fulcrum.

Question 2

Give an example of a first-class lever system.

Answer 2

A seesaw is an example of a first-class lever system.

Question 3

In a second-class lever system, where is the effort force, load force, and fulcrum located?

Answer 3

In a second-class lever system, the load force is between the effort force and the fulcrum.

Question 4

Give an example of a second-class lever system.

Answer 4

A wheelbarrow is an example of a second-class lever system.

Question 5

In a third-class lever system, where is the effort force, load force, and fulcrum located?

Answer 5

In a third-class lever system, the effort force is between the load force and the fulcrum.

Question 6

Give an example of a third-class lever system.

Answer 6

A fishing rod is an example of a third-class lever system.

Question 7

What advantage do first-class lever systems provide in terms of force?

Answer 7

First-class lever systems provide a mechanical advantage in terms of force.

Question 8

What advantage do second-class lever systems provide in terms of force?

Answer 8

Second-class lever systems provide a mechanical advantage in terms of force.

Question 9

What is mechanical disadvantage?

Answer 9

When levers load arm is longer than the effort arm

Question 10

What is mechanical advantage? What does it mean can happen?

Answer 10

Arm is longer than low arm
Move large Loades with relatively small amount of effort