Question

Two blocks 20kg and 5kg are kept on a rough horizontal surface. Roughness for 10kg block
and 5kg block are 0.1 and 0.2 respectively. A 20N force is applied on 5 kg block. Both are
connected with unstretchable and massless string (ideal string) as shown in figure
20 kg
5 kg
→ 20 N
u=0.1
U=0.2
h
29.
Friction force between Sko block and surface is
a) 10 N
by 20 N
c) 0
d) 5 N
30.
Friction force between 20kg block and ground is
a) 10 N
b) 20 N
c) 0
d) SN
31.
Tension in string is
Requ
a) 10 N
b) 20 N
c) 0
d) 5 N​

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