Advertisements
Advertisements
Question
The following belong to which class of lever?
Rowing of a boat
One Line Answer
Solution
Second-class of lever
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Name a machine to obtain gain in speed ?
What is a lever?
Define Lever
A lever of length 9 cm has its load arm 5 cm long and the effort arm is 9 cm long.
- To which class does it belong?
- Draw a diagram of the lever showing the position of fulcrum F and directions of both the load L and effort E.
- What is the mechanical advantage and velocity ratio if the efficiency is 100%?
- What will be the mechanical advantage and velocity ratio if the efficiency becomes 50%?
Which type of levers have mechanical advantage always more than 1? Give reasons.
The following belong to which class of lever?
Pliers Tools
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
Wheelbarrow
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
- Which class of lever is this? Give an example of this class of lever.
- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
State the types (or kinds) of lever, and give two examples of each kind.
