A pulley system has three pulleys in the fixed block and ...
A pulley system has three pulleys in the fixed block and two in the movable block and if the pulley has an efficiency of 72%, the mechanical advantage of the system is?
36.0
7.2
5.0
3.6
Correct answer is D
Mechanical Advantage = V.R × Efficiency
= 5 × 0.72
= 3.6
Which of the following quantities are scalars? i. Electrical potential ii. Torque iii. Momentum...
Longitudinal waves do not exhibit ...
Which of the following actions will not increase the sensitivity of a moving coil galvanometer? ...
The wave phenomenon demonstrated in the diagram above is? ...
22688Ra emits two alpha particles to produce polonium(po) nuclide. The correct formula for...