Question

Two blocks of mass 1 kg each are connected
through light inextensible string AS
shown in figure. The friction coefficient
between each block and horizontal surface
is 0.2. A time varying force given by F = (20
N/s)xt is applied to block B as shown.
where t is time.
(g = 10 m/s)
H
F
(20 t)
= (20 t)
ks
1 kg
Fixed
Column-1
Column-II
(In SI unit)
(A) At t = 1 s, acceleration of (P) Zero
block A is
(B) At t = s, tension in
(Q) 90
string in block B is
(C) At t = 38, friction force(R)
on block A is
(D) Motion will start at time t (S)
is given by

Answer 1

Answer:

at t=38,friction force(r)