Question

A block is sliding on a rough horizontal surface. If the contact force on the block is
frictional force, the frictional force is (if Nis normal reaction)
times the
[ ]
a) 0.25 N
b) ĪN
c) V2 N
d) IN
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Answer 1

Answer:

(c)

Explanation:

So, the contact force is normal reaction

So,

N=

2

×f

N= normal reaction

f= frictional force

mg=

2

×μ×mg

μ=

2

1

Answer 2

Explanation:

answer c please follow me