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प्रश्न
What is a lever?
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उत्तर
A lever is a rigid rod that may be bent or straight and rotates around a point; it is known as a FULCRUM.
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संबंधित प्रश्न
State the principle of a lever?
shows a nut cracker name the class of lever ?
A 4 m long rod of negligible weight is to be balanced about a point 125 cm from one end and a load of 18 kgf is suspended at a point 60 cm from the support on the shorter arm.
- If a weight W is placed at a distance of 250 cm from the support on the longer arm to balance the rod, find W.
- If a weight 5 kgf is kept to balance the rod, find its position.
- To which class of lever does it belong?
Which type of levers have mechanical advantage always more than 1? Give reasons.
Give three examples for leavers of second order.
The following belong to which class of lever?
The Physical balance
The following belong to which class of lever?
An oar of a boat
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
Wheelbarrow
What is a first-order lever?
