Physics, asked by shuklashriya3, 1 year ago

a block of mass m is moving with constant speed V on a cirular path of radius R find magnitude of average force acting on it in half revolution

Answers

Answered by dawnofdusk000
1
Change in momentum = Final momentum - initial momentum
                                      
= mv - (-mv) = 2mv
Average force = Change in momentum/ time taken
time taken = distance/ speed  = πr/v
Average force = 2mv/ (πr/v) = 2mv^2/πr
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