Advertisements
Advertisements
प्रश्न
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
Advertisements
उत्तर
When a stationary car starts suddenly, the passengers are jerke backward.
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 blanks with suitable word :
If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
Give one example where a force moves a stationary body.
Give one example where a force changes the shape (and size) of a body.
There are two types of forces X and Y. The forces belonging to type X can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type Y cannot produce motion in a stationary object but can change the object. What is the general name of the forces as (a) X, and (b) Y?
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.
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
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 :
The SI unit of force is ______.
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
