Which of the following is the condition for force multiplier?

Effort needed is more than the load.

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Effort needed is less than the load.

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Effort needed is equal to the load.

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Effort needed is equal to zero

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Solution

The correct option is B
Effort needed is less than the load.

If mechanical advantage(M.A) is greater than 1, then the machine is a force multiplier.
Now, $M A = \frac{L o a d (L)}{E f f o r t (E)}$
So, for MA greater than 1, Laod > Effort
or Effort needed is less than Load.

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(b) load between the effort and fulcrum.

(d) load and effort acting at the same point.

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Which of the following is the condition for force multiplier?

The correct option is B Effort needed is less than the load. If mechanical advantage(M.A) is greater than 1, then the machine is a force multiplier. Now, MA=Load(L)Effort(E) So, for MA greater than 1, Laod > Effort or Effort needed is less than Load.

The correct option is B
Effort needed is less than the load.

If mechanical advantage(M.A) is greater than 1, then the machine is a force multiplier.
Now, $M A = \frac{L o a d (L)}{E f f o r t (E)}$
So, for MA greater than 1, Laod > Effort
or Effort needed is less than Load.