Question

(c) Mechanical advantage of pulley system
(d) Efficiency of pulley system.
(e) Number of pulleys in the upper and lower block. (Take g = 10 N kg '
)
[(a) 60 m (b) 24000 N (c) 2.5 (d) 62.5%
(e) 4, two pulleys in upper block and 2 pulleys in lower block/
pulley system with velocity ratio 3 is used to lift a load of 60 kgf through a height of 20 m. The force is
applied in upward direction and its magnitude is 25 kgf. Calculate:
(a) Distance through which effort is applied
(b) Work done by the effort
(c) Mechanical advantage of pulley system
(d) Efficiency of pulley system.
(e) Total number of pulleys in the fixed and movable block. [Take g = 10 N kg ')
l(a) 60 m (b) 36000 N (c) 2.4 (d) 80% (e) 2 pulleys, one in fixed block and one in movable block
La
62
UR. 2​

Answer 1

Answer:

nothing

Explanation: