Question

can unbalanced force can change the shape of the object? if yes how?

Answer 1

yes unbalanced force can change the shape of object. lets take an example of a toothpaste. When you squeeze it you can see the change in shape of the toothpaste .

Answer 2

Unbalanced force is the force in which resultant of all the forces is zero.if the resultant is zero the heavier force will push the surface of the object thus, the  the body will change the shape of the object..