Simple Machines Review

What type of simple machine is a shovel?

• inclined plane

• lever

• screw

• wedge

What type of simple machine is a chisel?

• inclined plane

• lever

• screw

• wedge

What type of simple machine is a ramp?

• inclined plane

• lever

• screw

• wedge

What type of simple machine is a spiral staircase?

• inclined plane

• lever

• screw

• wedge

The closer the fulcrum of a lever is to the load, the ... effort needed to raise the load.

(a)  

More effort is needed to move an object up a steep incline than a gradual incline. (true or false)

(a)  

Tags

NGSS.MS-PS2-2

Every lever must have a support point called a ...

• groove

• fulcrum

• pitch

• load

The screw is a special type of ...

• wedge

• inclined plane

• lever

The wedge is a special type of ...

• lever

• pulley

• wheel & axle

• inclined plane

Which of the following statements is true?

• The human arm is an example of a third-class lever.

• Ancient Egyptians used inclined planes to build the pyramids.

• A wedge is made of two inclined planes joined at the back.