CameraIcon

SearchIcon

MyQuestionIcon

1

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

Class 2 Lever

A lever of le...

Question

A lever of length 9 cm has its load arm 5 cm long and the effort arm is 9 cm long. (a) To which class does it belong ? (b) Draw diagram of the lever showing the position of fulcrum F and directions of both the load L and effort E. (c) What is the mechanical advantage and velocity ratio if the efficiency is $100 %$ (d) What will be the mechanical advantage and velocity ratio if the efficiency becomes $50 %$ ?

Open in App

Solution

Suggest Corrections

thumbs-up

1

Similar questions

Q. A lever of length 14 cm has its load arm 5 cm long and effort arm is 9 cm long. (a) To which class does it belong? (b) Draw diagram of the lever showing the position of fulcrum F and directions of both the load L and effort E. (c) What is the mechanical advantage and velocity ration if the efficiency is 100% ? (d) What will be the mechanical advantage and velocity ration if the efficiency becomes 50%?

Q. A lever of length

9 cm

has its load arm

5 cm

long and the effort arm

9 cm

long:
(a) Which class does the lever belong to?
(b) What will be the mechanical advantage and velocity ratio if the efficiency becomes

50 %

?

A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the effort arm and the mechanical advantage of the crowbar.

Calculate the mechanical advantage of a lever when load arm = $15 c m$ and effort arm = $30 c m$ .

Calculate the mechanical advantage of a lever when the effort arm = $12 c m$ and the load arm = $30 c m$ .

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon