State the class of levers in sugar tongs and a bottle opener.

Sugar tongs - class III lever

Bottle opener - class II lever

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Sugar tongs - class II lever

Bottle opener - class II lever

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Sugar tongs - class III lever

Bottle opener - class I lever

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Sugar tongs - class II lever

Bottle opener - class II lever

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Solution

The correct option is A
Sugar tongs - class III lever

Bottle opener - class II lever

A pair of sugar tongs: Class III lever

In these types of levers, the effort is in between the fulcrum and the load and so the effort arm is always smaller than the load arm.

A bottle opener: Class II lever

In these types of levers, the load is in between the effort and the fulcrum. Thus the effort arm is always longer than the load arm.

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Similar questions

State the class of levers and the relative positions of load (L), effort (E) and fulcrum (F) in (a) a bottle opener, and (b) sugar tongs.

Q. State the class of levers and the relative position of loud (L), effort (E) and fulcrum (F) in each of the following cases:
1. A bottle opener.
2. Sugar tongs.

Q. Which of the following are correct examples of first, second and third class levers?

	First class Lever	Second class Lever	Third class Lever
$I$	Scissors	Wheel barrow	Broom
$I I$	Ice Tongs	Tweezer	Paper cutter
$I I I$	Pliers	Nut cracker	Fishing rod

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. State the kind of lever and calculate the effort needed.

A man uses a crowbar of length 2.5 m to raise a load of 75 kgf by putting a sharp edge below the bar at a distance 1 m from his hand. State the kind of lever used and calculate the effort needed.

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