Question

The figure 3.14 shows the combination of a movable pulley Pi with afixed pulley P2 used for lifting up a load W.(i) State the function of the fixed pulley P2(ii) If the free end of the string moves through a distance 'x', find thedistance by which the loan W
is raised.(iii) Calculate the force to be applied at C to just raise the loadW=20kgf, neglecting the weight of the pulley P1 and the friction.[10kgf]15​

Answer 1

Explanation:

The figure 3.14 shows the combination of a movable pulley Pi with afixed pulley P2 used for lifting up a load W.(i) State the function of the fixed pulley P2(ii) If the free end of the string moves through a distance 'x', find thedistance by which the loan W

is raised.(iii) Calculate the force to be applied at C to just raise the loadW=20kgf, neglecting the weight of the pulley P1 and the friction.[10kgf]15

Answer 2

Explanation:

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