Page 2 - HA

lowering, flying) Push Pull

1 Moving a book
placed on a
table
2 Opening or
shutting a door
3 Drawing a
bucket of water
from well
4 A football player
taking a penalty
kick
5 A cricket ball hit
by a batsman
6 Moving a
loaded cart
7 Opening a
drawer

Q2) How is the strength of a force expressed?

Q3) Choose a heavy object like a table or a box, which you can move only by pushing
hard. Try to push it all by yourself. Can you move it? Now ask one of your friends to
help you in pushing it in the same direction? Is it easier to move now? Explain why?

HOTS QUESTIONS:

Q1) Record the observations for the following daily-life applications:

SL Description of the How to apply Action of force
NO situation force?
Change in Change in shape
state of
motion
YES NO YES NO
1 A lump of dough on
plate
2 Spring fixed to the
seat of a bicycle
3 A rubber band
suspended from a
hook/ nail fixed on
a wall
4 A plastic or metal