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THE FORCE, EFFECTS OF FORCE ON THE BODY, ICSE PHYSICS, CLASS 6

Q) WHAT IS FORCE? 

> FORCE IS EITHER A PUSH OR A PULL. 


Q) WHAT ARE THE EFFECTS OF FORCE? 
 
> THE EFFECTS OF FORCES ARE AS FOLLOWS-
 
 1. IT CAN MAKE A STATIONARY BODY MOVE. 
2. IT CAN MAKE A MOVING BODY STOP.
 3. IT 
CAN CHANGE THE DIRECTION OF A MOVING BODY.
 4. IT CAN CHANGE THE SPEED OF A MOVING BODY. 
5. IT CAN CHANGE THE SHAPE AND SIZE OF A BODY. 

Q) BY USING AN EXAMPLE EXPLAIN HOW A FORCE CAN MOVE A STATIONARY BODY?

> THE TABLE STARTS MOVING IN THE DIRECTION OF THE FORCE APPLIED. THUS, A FORCE CAN SET A BODY AT REST INTO MOTION.

FORCE MAKING A STATIONARY BODY MOVE

 

Q)  BY USING AN EXAMPLE EXPLAIN HOW A FORCE CAN MAKE A MOVING  BODY STOP?

> THE FIELDER APPLIES FORCE WITH HIS HANDS TO STOP THE BALL FROM GOING FURTHER. THUS WE CAN SAY THAT A FORCE CAN MAKE A MOVING BODY STOP.

Q) BY USING AN EXAMPLE EXPLAIN HOW A FORCE CAN CHANGE THE DIRECTION OF A MOVING BODY ?

>  IN FOOTBALL, WE SEE THAT EACH AND EVERY PLAYER IN BOTH THE TEAM TRIES TO KICK THE BALL TOWARDS THE GOAL OF THE OPPOSITE TEAM.

HERE WE SEE THAT THE BALL NEVER REMAINS IN ONE DIRECTION AS THE PLAYERS ALWAYS KEEPS ON KICKING THE BALL INORDER TO PASS THE BALL TO THEIR OTHER TEAMATES  SCATTERED AROUND THE FOOTBALL FIELD.

IN THIS SITUATION, THE PLAYERS ARE ACTUALLY APPLYING FORCE BY KICKING THE MOVING BALL IN ORDER TO CHANGE ITS DIRECTION AND AS A RESULT HIT THE GOAL.

THUS WE CAN SAY THAT A FORCE CAN CHANGE THE DIRECTION OF A MOVING BODY.



Q)  BY USING AN EXAMPLE EXPLAIN HOW A FORCE CAN CHANGE THE SPEED OF A MOVING BODY?

> A SPEEDING BALL CAN BE SLOWED DOWN BY HANDLING IT, THAT IS BY APPLYING FORCE IN THE OPPOSITE DIRECTION.

THUS, WE CAN SAY THAT A FORCE CAN ALTER THE SPEED OF AN ALREADY MOVING BODY.



Q) BY USING AN EXAMPLE EXPLAIN HOW A FORCE CAN CHANGE THE SHAPE AND SIZE OF A BODY?

> THE SHAPE AND SIZE OF A SPONGE CHANGES WHEN IT IS SQUEEZED. THUS, A FORCE CAN CHANGE THE SHAPE AND SIZE OF A BODY.

BY APPLYING FORCE DEFORMING THE SHAPE OF THE SPONGE.

 



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