Physics
Which results in an increase in power?

Doing less work in more time.
Doing more work in more time.
Doing more work in less time.
Doing less work in less time.

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Physics
Solids have definite shapes.This is because

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

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