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The lower surface of a cube is fixed. On...

The lower surface of a cube is fixed. On its upper surface, force is applied at an angle of `30^@` from its surface. The change will be the type

A

Size

B

Shape and Size

C

Shape

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
The force is resolved into two components.
(1) Horizontal component - gives the tangential force. It will produce a change in shape.
(2) The vertical component, will act normally on the surface and produce a change in its size.
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