How does water move from the surfaces of lakes, rivers, and the ocean directly back into the atmosphere?
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Answer:
α =
Explanation:
Applying the equations of motion to determine angular acceleration of the unit,
The sum of moments about O is equal to the product of angular acceleration and moment of inertia
∑Mo = Io*α
Taking the anticlockwise direction as positive moment,
= ( -(1150) + (1400) ) * (0.5 / 2) + ( (475) - (650) ) * (0.3 / 2) - F = Io*α
= 36.5 - (2.5 N.m) =*α
NOTE: moment of inertia of the pulleys in this instance =
Hence, 33.75 = * α
Solving, α =