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A block of mass 2 kg is placed on the fl...

A block of mass 2 kg is placed on the floor. The co-efficient of static friction is 0.4. The force of friction between the block and floor is

A

2.8 N

B

7.8 N

C

2N

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
The force required to move ` =muR = mu mg = 0.4 xx 2 xx 9.8 = 7.84 N`
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