Question

Mass of the first object is 2kg, and the mass of the second object is 3 kg. Find the force that applies to the bar from the pulley. If the length of the bar is 60 cm. Determine the length of the shoulders.

Answer 1

Ответ:

10 H    45 см    15 см

Объяснение:

m1=2 кг    m2=3 кг    L=0.6 м    F1=?    L1=?    L2=?

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F1=m1*g/2=2*10/2=10 H

F1*L1=m2*g*(L-L1)

L1=m2*g*L/(F1+m2*g)=3*10*0.6/(10+3*10)=0.45 м

L2=L-L1=0.6-0.45=0.15 м

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