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A block of mass 20kg is pushed with a ho...

A block of mass 20kg is pushed with a horizontal force of 90N. If the coefficient of static & kinetic friction are 0.4 & 0.3, the frictional force acting on the block is: (g`=10ms^(-2)`)

A

2

B

4

C

8

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
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