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Q35. A 50x30x20 cm block weighs = 150 N
is moved up on a plane inclined at 20°
to horizontal with velocity = 0.8 m/sec.
a= coefficient of friction = 0.27. Force
required to be applied in horizontal direction
is approx :
(a) 100 N
(b) 500 N
(c) 1200.5 N
(d) 10 N


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