Inclined Planes and Levers

The ideal mechanical advantage of an inclined plane is the length of the plane divided by its FORCE.

• True
• False

When you use a wedge, instead of moving an object along the inclined plane, you move THE INCLINED PLANE ITSELF.

• True
• False

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2

The THICKER the wedge, the greater its mechanical advantage.

• True
• False

In a first-class lever, the FULCRUM is between the input force and the output force.

• True
• False

A knife is an example of a LEVER.

• True
• False

The lower arm acts like a FIRST-CLASS lever when it bends at the elbow.

• True
• False

A flat, sloped surface is called a(n)...

• Lever
• Screw
• Fulcrum
• Inclined Plane

A device that is thick at one end and thin at the other end is a ...

• Wedge
• Screw
• Lever
• Fulcrum

The threads of a screw act like a(n)...

• Lever
• Wedge
• Inclined Plane
• Fulcrum

The fixed point that a lever pivots around is the...

• Fulcrum
• Plane
• Screw
• Wedge