Question

7
If the coefficient of friction between the block of
mass 5 kg and wall is 0.5, then minimum force F
required to hold the block with the wall is
(g = 10 m/s2)
[NCERT Pg. 101)
1
F
5kg u =0.5
(1) 10 N
(3) 40 N
(2) 100 N
(4) 50 N​

Answer 1

Answer:

f=un

Explanation:

f=mg

mg=uf

f=mg÷u

5×10×10÷0.5=50N