The applied force that changes shape, length or volume of a substance is called ………..force.
a) restoring
b) elastic
c) inelastic
d) deforming
The property of solid materials to return to its original shape and size after removal of deforming force is called…….
a) plasticity
b) rigidity
c) elasticity
d) none
When a tennis racket hits a tennis ball, the shape of the ball is distorted , but it regains it shape when it bounces off the tennis racket. Here tennis ball is ………material
a) elastic
b) plastic
c) rigid
d) all of these
Material that do not return to their original shapes when deforming force acting on it is removed are said to be……….materials.
a) elastic
b) inelastic
c) rigid
d) plastic
Which of the materials are inelastic?
a) clay
b) plasticine
c) dough
d) all of these
Most materials are elastic up to a certain limit known as ……limit.
a) plastic
b) elastic
c) inelastic
d) breaking point
