Simple Machines

Pulley is

• a wheel with a rim around which a cord passes.

• a sharp edge that splits objects.

• a sharp-pointed metal pin with a flat head.

Pulley can

• lower heavy objects.

• lift heavy weights.

• do both.

Fulcrum is:

• a part of a lever.

• a part of a wedge.

• a part of a screw.

A seesaw is an example of

• a wheel and axle.

• a pulley.

• a lever.

Tags

NGSS.MS-PS2-2

A doorknob is an example of

• a wheel and axle.

• a lever.

• a pulley.

Reusable bottle cap is an example of

• a wedge.

• a wheel and axle.

• a screw.

This gardener uses shovel as

• an inclined plane.

• a wedge.

• a pulley.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The main entrance at ISP is an example of

• an inclined plane.

• a wedge.

• a lever.

Which statement is correct?

• A flag is raised on a pulley.

• An inclined plane connects two points of the same height.

• An axel rotates around a wheel.

Which option is a pair of synonyms?

• a pulley - a fulcrum.

• a ramp - an inclined plane.

• to lift - to lower.