Advertisements
Advertisements
प्रश्न
Give one example where a force changes the shape (and size) of a body.
उत्तर
The shape of kneaded wet clay (geeli mitti) changes when a potter converts it into pots of different shapes and sizes. This happens because the potter applies force on the kneaded wet clay.
APPEARS IN
संबंधित प्रश्न
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Fill in the following blank with suitable word:
When a running car stops suddenly, the passengers are jerked …………………..
Give reason for the following :
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
Explain why, it is dangerous to jump out of a moving bus.
What is the relationship between force and acceleration ?
A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres :
(i) Find the acceleration.
(ii) Calculate the unbalanced force acting on the vehicle.
Give one example where a force stops a moving body .
When we talk of a force acting on a body, it usually means :
Which of the following effect cannot be produced by an unbalanced force acting on a body?
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :