Basic Maths and Units and DimensionsHard

Question

On a smith plane surface (figure)two block A and B are accelerated up by applying aforce 15 N on A. If mass of B twice that of A. the force on B is

Options

A.30 N
B.15 N
C.10 N
D.5 N

Solution

The acceleration of the both the blocks =
∴ Force on B = × 2x = 10N

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