MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Pulley

A load of 200...

Question

A load of 200 N is moved 2 m by an effort of 100 N moving through 8 m. What is the efficiency of the machine in percentage?

Open in App

Solution

$M A = \frac{200 N}{100 N} = 2,$ Vel. ratio $= \frac{d_{E}}{d_{L}} = \frac{8 m}{2 m} = 4$
Efficiency $= \frac{MA}{Vel. ratio} = \frac{2}{4} = \frac{1}{2} = 50$ %

Suggest Corrections

thumbs-up

0

Similar questions

Q. A machine lifts a load of 2 tonnes weight with an effort of 100 kg weight. When the effort moves through 5 m the load moves through 0.2 m. The efficiency of the machine is

Q. A machine is used to displace a load of

200

5

cm by an effort of

10

N. If efficiency of the machine is

50 %

. Find its mechanical equivalent.

Q. In a certain Simple Machine with velocity ratio

2

1000

N is needed to overcome a load of

2000

N, What will be the efficiency of the machine.

Q. What load will be lifted by an effort of

12

N

if the velocity ratio is

18

and the efficiency of the machine at this load is 60%?

Q. In a lifting machine, an effort of 500 N is to be moved by a distance of 20 m to raise a load of 10,000 N by a distance of 0.8 m. Determine the effort lost in friction

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Pulley

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon