Levers Simple Machines

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

A trebuchet is an example of a

• first class lever

• second class lever

• third class lever

A wheel barrow is an example of a

• first class lever

• second class lever

• third class lever

A forearm is an example of a

• first class lever

• second class lever

• third class lever

If a lever allows you to apply 5N of effort force to lift a 10N load, then the lever has a mechanical advantage of...

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Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2