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Based on figu...

Question

Based on figure what could be the force for $P$ and $Q$ ?
$P$ $Q$
$I$ $3 N$ $6 N$
$I I$ $6 N$ $12 N$
$I I I$ $9 N$ $15 N$

I

and

I I

only

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I I

and

I I I

only

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I

and

I I I

only

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I, I I

and

I I I

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Solution

The correct option is A $I$ and $I I$ only
Moment of force about O due to force P must be equal to that due to force Q.
$∴$ $F_{P} r_{p} = F_{Q} r_{Q}$
Or $F_{P} \times 6 = F_{Q} \times 3$
Or $F_{Q} = 2 F_{P}$
Thus option A is correct.

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Based on figure what could be the force for P and Q?PQI3N6NII6N12NIII9N15N

The correct option is A I and II onlyMoment of force about O due to force P must be equal to that due to force Q.∴ FPrp=FQrQOr FP×6=FQ×3Or FQ=2FPThus option A is correct.

Based on figure what could be the force for $P$ and $Q$ ?
$P$ $Q$
$I$ $3 N$ $6 N$
$I I$ $6 N$ $12 N$
$I I I$ $9 N$ $15 N$

The correct option is A $I$ and $I I$ only
Moment of force about O due to force P must be equal to that due to force Q.
$∴$ $F_{P} r_{p} = F_{Q} r_{Q}$
Or $F_{P} \times 6 = F_{Q} \times 3$
Or $F_{Q} = 2 F_{P}$
Thus option A is correct.