A block of 200 g mass moves with a uniform speed in a horizontal circular groove, with vertical side walls of radius 20 cm . If the block takes 40 s to complete one round, the normal force by the side walls of the groove is:

Question

A block of 200 g mass moves with a uniform speed in a horizontal circular groove, with vertical side walls of radius 20 cm . If the block takes 40 s to complete one round, the normal force by the side walls of the groove is:, 0 . 0314 N, 9 . 859 × 10 - 2 N, 6 . 28 × 10 - 3 N, 9 . 859 × 10 - 4 N

MARKS App · Accepted Answer

N = m ω 2 R Given m = 0 . 2 kg , T = 40 S , R = 0 . 2 m Put values in equation 1 N = 9 . 859 × 10 - 4 N

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