Question

Give any two effects of a force. State by suitable examples.

Answer 1

• Unbalanced forces acting on an object produce an acceleration (changing velocity) and/or .. 
• a change in direction 

• Forces deform materials (stretch, compress, bend, twist ..) 

• An acting force always encounters an equal and opposite reaction force

Answer 2

1. Force can make stationary object an move or making a moving object move faster.
Example = similarly, a stationary football can be made to move by giving it a small push ( by kicking) .
2. Force can change the shape and size of objects.
Example = The shape of a rubber band is changes when it is pulled.
Hope it may help you.