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State four differences between a single fixed pulley and a single movable pulley.
State four differences between a single fixed pulley and a single movable pulley.
Class 10 | ICSE | Machines | Physics | Selina
State four differences between a single fixed pulley and a single movable pulley.

Solutions:

Single fixed pulley :

a) It is fixed to a rigid support

b) Its ideal mechanical advantage is 1

c) Its velocity ratio is 1

d) The weight of pulley itself does not affect its mechanical advantage

e) It is used to change the direction of effort from upwards to downwards

Single movable pulley :

a) It is not fixed to a rigid support

b) Its ideal mechanical advantage is 2

c) Its velocity ratio is 2

d) The weight of pulley itself reduces its mechanical advantage

e) It is used as a force multiplier

i

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