Advertisements
Advertisements
Question
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Solution
Balanced forces can change the shape of an object.
For example, on pressing a rubber ball between our hands, the shape of the rubber ball changes from spherical to oblong.
APPEARS IN
RELATED QUESTIONS
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
State whether force is a scalar or a vector quantity?
Fill in the following blank with suitable word:
When a running car stops suddenly, the passengers are jerked …………………..
Give one example where a force moves a stationary 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?
Give one example where a force stops a moving body .
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
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 :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.