Question

For the pulley System, each of the cables at A and B is given velocity of 4m/s in the direction
arrow. Determine the upward velocity v of the load m. (in m/s)​

Answer 1

3m/s is the upward velocity.

Explanation:

Given that,

v = 4 m/s

Using 'constraint motion relation of the pulley,'

$v_{1}$ = (v + 0)/2

= (4 + 0)/2

= 2

While

$v_{2}$ = ($v_{1}$ + 4)/2

= (2 + 4)/2

= 3m/s

Thus, upward velocity of load 'm' is 3m/s.

Learn more: Upward velocity

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