Unit Test - Machines and Mechanisms

A type of gear that we use to change the plane from horizontal to vertical

• Idler

• Spur

• Bevel

• All of the above

A type of gear that is used in the middle of 2 gears to change the direction of the rotation.

• Idler

• Spur

• Bevel

• All of the above

When a gear system uses 2 or more gears...

• Gear Team

• Gear Train

• Gear Components

• Gear Setup

A function of a pulley is to…

• Change the direction of the force

• Make a force stronger

• Make a load lighter

• All of the above

Which of the following is an example of a gear?

• A can opener

• A flagpole

• Rock climbing equipment

• Weightlifting equipment

Which of the following is an example of a pulley?

• A flagpole

• A can opener

• A vehicle

• Hand drill

A lever can lift a heavier load by moving the fulcrum closer to which end?

• Load

• Force

• Middle

• None of the above

A staircase is an example of which simple machine?

• Wedge

• Inclined Plane

• Wheel and Axle

• Lever

A knife is an example of which type of simple machine?

• Wedge

• Lever

• Inclined Plane

• Wheel and Axle

A bottle top is an example of which type of simple machine?

• Wedge

• Pulley

• Inclined Plane

• Screw