Select the objects which always have a mechanical advantage less than 1.

LEVER I

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LEVER II

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LEVER III

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Both B and C

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Solution

The correct options are
A
LEVER I

B
LEVER II

C
LEVER III

D
Both B and C

Options (A) and (C) illustrate tongs, option (B) illustrates a broom stick, option (D) illustrates tweezers. All of them are Class III levers and have a mechanical advantage < 1.

Suggest Corrections

Similar questions

Select the incorrect statement :

(a) A machine always has the efficiency less than $100 %$ .

(b) The mechanical advantage of a machine can be less than 1.

(d) A machine can have the mechanical advantage greater than the velocity ratio.

The lever for which the mechanical advantage is always less than 1 has the :

State the kind of lever which always has the mechanical advantage less than 1.

State the kind of lever which always has the Mechanical Advantage (MA) less than 1.

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