Unit 2 Assessment Lever

The weight or resistance that is moved using a simple machine.

• Effort
• Fulcrum
• Load
• Work

Amount by which force/effort is increased by a simple machine

• Mechanical advantage
• Load
• Effort
• Simple machine

A system of pulleys allows a mechanic to lift a 600lbs engine. If the mechanic exerts an effort of 30lbs, what is the mechanical advantage of the machine?

• 10
• 60
• 30
• 20

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture (removing a nail)

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever

Identify which class lever is shown in the picture.

• 1st class lever
• 2nd class lever
• 3rd class lever