A block of weight 50 kg is placed on a horizontal plane. When a horizontal force

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Question
A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is
Options
A. 17� 48'
B. 18� 48'
C. 19� 48'
D. 20� 48'
E. 21� 48'.

Correct Answer

19� 48'

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