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A force of - F hat(k) acts on O, the ori...

A force of `- F hat(k)` acts on O, the origin of the coordinate system. The torque about the point (1, -1) is

A

`F(hati+hatj)`

B

`-F(hati-hatj)`

C

`F(hati-hatj)`

D

`-F(hati-hatj)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Exercise-II
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  7. If |vec(A)| = 4N, |vec(B)| = 3N the value of |vec(A) xx vec(B)|^(2) + ...

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  8. If vecA=2hati+3hatj+6hatk and vecB=3hati-6hatj+2hatk then vector perpe...

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  9. Vertices of a triangle are given by hati+3hatj+2hatk , 2hati-hatj+hatk...

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  16. The moment of inertia of a cylinder about its own axis is equal to its...

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  17. Two circular loops of radii R and nR are made of same wire. If their M...

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  19. The radius of gyration of a solid sphere of radius .R. about its tange...

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