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Scalar and Vector Notation

If F→force is...

Question

If $\to F$ force is acting on a particle having the position vector $\to r,$ and $\to τ$ be the torque of this force about the origin, then $\to τ . \to F = 0$ and $\to r . \to τ = 0$

A

False

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B

True

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Solution

The correct option is B True

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\to F

is the force acting on a particle having position vector

\to r

\to τ

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\to F

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be acting on a body free to rotate about a point

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is defined as :

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\to F = (2^i + 3^j -^k) N

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Scalar and Vector Notation

Standard XI Physics

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