SIMPLE MACHINES REVIEW

Which of the following IS NOT a simple machine?

• lever

• inclined plane

• screw

• fulcrum

Which of the following BEST describes simple machines?

• devices that makes our life hard

• tools used for cooking only

• devices that can make our work easier

• tools that can eliminate pollution

Which of the following is a lever?

• blade

• knife

• ax

• seesaw

Which simple machine can be used to carry heavy load in a cargo truck?

• lever

• inclined plane

• screw

• wedge

Which simple machine can be used to raise the flag during the flag ceremony?

• lever

• pulley

• screw

• wedge

A pair of scissors belong to 2 type of simple machines, lever and _____.

• pulley

• screw

• wedge

• inclined plane

ramp

• inclined plane

• pulley

• lever

• screw

door knob

• inclined plane

• pulley

• wheel and axle

• screw

Which simple machine can firmly attach picture frames on the wall?

• lever

• pulley

• wedge

• screw

To what direction should wedges be pointing when holding them?

• forward

• downward

• towards the person receiving it

• any