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प्रश्न
Give one example of a class I lever where mechanical advantage is more than one ?
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उत्तर
More than one: shears used for cutting the thin metal sheets .
संबंधित प्रश्न
A man uses a crowbar of length 1.5 m to raise a load of 75 kgf by putting a sharp edge below the bar at a distance 1 m from his hand.
- Draw a diagram of the arrangement showing the fulcrum (F), load (L) and effort (E) with their directions.
- State the kind of lever.
- Calculate:
- load arm,
- effort arm,
- mechanical advantage and
- the effort needed.
Which class of lever found in the human body is being used by a boy when he holds a load on the palm of his hand.
The following belong to which class of lever?
The Physical balance
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
Nutcracker
In the diagram shown alongside a claw hammer, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows. What class of lever is it? Give one more example of this class of lever.
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.
What is a lever?
What is a first-order lever?
