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A block of mass m is resting inside a sm...

A block of mass m is resting inside a smooth horizontal tube. If the tube accelerates vertically downward obeying the relation a = kt, where K is a positive constant and 't' is instant of time. Find normal reaction as a function of time and plot N vs t curve and |N| `V_s`t.

A

N = kt + mg

B

N = kt - mg

C

N = mg - k/t

D

N = m/gkt

Text Solution

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The correct Answer is:
B
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