Simple machines: Levers

A lever is a simple machine with bar that that rotates. the part of the lever that rotates or turns is called the?

• Effort arm

• Load arm

• Pivot or fulcrum

A lever is a simple machine with bar that that rotates. the part of the lever where you apply a force is called the?

• Effort arm

• Load arm

• Pivot or fulcrum

A lever is a simple machine with bar that that rotates. the part of the lever that resists the movement and where the force is applied to is called the?

• Effort arm

• Load arm

• Pivot or fulcrum

The pivot or fulcrum is the

• part of the lever that rotates

• arm of the lever where you apply a force

• arm of a lever where a force is applied to

The effort is the

• part of the lever that rotates

• arm of the lever where you apply a force

• arm of a lever where a force is applied to

The load is the

• part of the lever that rotates

• arm of the lever where you apply a force

• arm of a lever where a force is applied to

A first class lever has a

• Load - Pivot - Effort

• Pivot - Load - Effort

• Pivot - Effort - Load

A second class lever has a

• Load - Pivot - Effort

• Pivot - Load - Effort

• Pivot - Effort - Load

A third class lever has a

• Load - Pivot - Effort

• Pivot - Load - Effort

• Pivot - Effort - Load

A see-saw is an example of a

• first class lever

• second class lever

• third class lever