force energy lesson 13

force energy lesson 13

what is FORCE??

push or pull is called force

KINDS OF FORCES

MUSCULAR FORCE

the force which is exerted by our muscles is known as muscular force

MECHANICAL FORCE

The force used by machines is known as a mechanical force

ELASTIC FORCE

An archer uses the elastic force of a bowstring to shoot an arrow

GRAVITATIONAL FORCE

HOLD A BALL IN YOUR HAND AND RELEASE IT DOES IT GO UP OR DOWN ??