The minimum horizontal force required to move a mass of 2 kg at rest on a horizontal rough surface having coefficient of static friction (1. = 0.3, g = 10 m/s2) (1) 3N (2) 10N (3) 6N (4) 8N
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Answer:
A body A of mass 1kg rests on a smooth surface. Another body B of mass 0.2kg is placed over A as shown. The coefficient of static friction between A and B is 0.15. B will begin to slide on A, if A is pulled with a force greater than :
Answer:
A body A of mass 1kg rests on a smooth surface. Another body B of mass 0.2kg is placed over A as shown. The coefficient of static friction between A and B is 0.15. B will begin to slide on A, if A is pulled with a force greater than :
Medium.