Question 1 Define the term force?
Question 2 What is mean by direction of force?
Question 3 State the various effects of force?
Question 4 Give few examples where forces are used in our everyday action?
(1) When an athlete wants to throw a very heavy ball during shot put contest so that it may go as far as possible, he has to push the ball hard. Athlete applies a large force to the ball to make it move through a large distance.
(2) When a person wants to draw water from a well, he has to the pull the rope attached to the bucket full of water to make it move and come out of the well.
(3) If the Sharp heel of a woman shoe falls on our foot, it hurts our foot too much and produces a lot of pain. The force of woman’s weight produces a large pressure on our foot because all her weight falls on a small area of our foot due to sharp heels. If the broad heel of man’s shoe falls on our foot, it hurts our food much less. This is because due to broad heel the force of weight falls on a large area of our food due to which the pressure produced on our foot is much less.
When we want to open a door we have to push the door handle with our hands.
When we want to close the door we have to pull the door handle with our hands.
A push or pull on an object is called force.
Direction of Force
The direction in which the object is pushed or pulled is called direction of force.
When we push the door to open it, then we apply a force on the door in a direction away from us. And when we pull the door to close it, then we exert a force on the door in a direction towards us.
Forces are used in our everyday actions like pushing, pulling, lifting, stretching, twisting, pressing.
(1) A force is used when we push a football.
(2) A force is used when we pull a door.
(3) A force is used when we lift a box from the floor.
(4) A force is used when we stretch a rubber band.
(5) A force is used when we twist a wet cloth to squeeze out water.
(6) A force is used when we press the brake pedal of a car.