A pulley system has a velocity ratio of 2 and efficiency 80%. Calculate mechanical advantage.

2.4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1.6

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2.2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 1.6
V.R. = 2
Efficiency = 80%
$\frac{M A}{V R} = e f f i c i e n c y$
$\frac{M A}{2} = \frac{80}{100}, M A = \frac{2 \times 80}{100} = 1.6$

Suggest Corrections

Similar questions

A pulley system has a velocity ratio 3 and an efficiency of 80%. Calculate the mechanical advantage of the system.

A pulley system has a velocity ratio 3 and an efficiency of $80 %$ . Draw a labelled diagram of this pulley system. Calculate :

(a) the mechanical advantage of the system, and

(b) the effort required to raise a load of 300 N.

A pulley system has velocity ratio of 3. If it efficiency is 75%, calculate its mechanical advantage. [Assume 1 kgf = 10N, 1 gf = 1000 dynes]

Join BYJU'S Learning Program