Question

A 10 kg block is placed on a horizontal surface whose coefficient of friction is 0.2. A horizontal force P = 15 Nfirst acts on it in the
east direction. Later, in addition to Pa second horizontal force Q = 20 N acts on it in the northward direction. Then:
(A) The block will not move when only Pacts, but will move when both P and Qact
(B) If the block moves, its acceleration will be 0.5 m/s2
(C) When both Pand Qact
, the direction of the force of friction acting on the block will be tan-? (3/4) west of south.
(D) all the above
ОА
B
Oc
OD​

Answer 1

Answer:

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