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JEE Main Physics question

PhysicsLaws of MotionJEE Main

On the horizontal surface of a truck (μ = 0.6), a block of mass 1 kg is placed. If the truck is accelerating at the rate of 5 m/sec² then frictional force on the block will be

Answer: (A)

Solution

Required friction for the block to accelerate with the truck = ma = 1×5 = 5 N. Maximum available static friction = μmg = 0.6×1×9.8

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Question ID VK-153438