Physics
Solids have definite shapes.This is because

The forces of cohesion are very large
The forces of adhesion are large
The forces of cohesion of the molecules within are very much less in them
The forces of adhesion are less

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Physics
Kinetic energy depends on

Both mass and velocity of the moving body
The pressure of the moving body
The mass of the moving body
The velocity or speed of the moving body.

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