Yazied 7 Science ( K) unit #1 lesson #1 ( FORCES)

A push or pull exerted on an object !!

A ------------- can cause a change on an object or its motion !

A force can cause a change on an object or in its------------------ !

All forces have both ----------------and ----------------!

A force can change speed of an object , but can not change its direction !

• true

• false

A unit to measure force !

A force can change an object's shape !

• true

• false

The rate at which a distance is traveled !!

The speed of an object in a particular direction !!

An object's velocity changes if either its ------------or its ---------------------changes !!