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Three forces given by vectors 2hati + 2...

Three forces given by vectors ` 2hati + 2hatj. 2hati -2hatj and - 4hatj` are acting together on a point object at rest. The object moves along the direction.

A

x -axis

B

y-axis

C

z-axis

D

object does not move

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The correct Answer is:
D
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AAKASH INSTITUTE-MOTION IN A PLANE-Assignement section -A Objective (one option is correct)
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  2. The magnitude of hati + hatj is

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  3. Three forces given by vectors 2hati + 2hatj. 2hati -2hatj and - 4hatj...

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  4. the angle made by the vector sqrt2i + hati with x-axis body from its ...

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  6. A particle has an initial velocity of 3hati + 4hatj and on accelerati...

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  7. A vector multiplied by the number 0, results into

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  8. The resultant of two vectors makes an angle of 60^(@) with one vecto...

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  9. The position vector of an object at any time t is given by 3t^(2) hati...

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  10. A body lying initially at point (3,7) starts moving with a constant ac...

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  11. The initial position of an object at rest is given by 3 hati - 8 hatj....

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  12. If |vecP + vecQ|= | vecP| -|vecQ| , the angle between the vectors ve...

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  13. if |vecP + vecQ| = |vecP| + |vecQ| , the angle between the vectors ...

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  14. if vecP a+ vecQ =vec0 , then which of the following is necessarily t...

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  15. A displacment vector fo magnitude 4 makes an angle 30^(@) with the x-...

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  16. If |vecP + vecQ| = |vecP -vecQ| the angle between vecP and vecQ is

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  17. if vecP +vecQ = vecP -vecQ , then

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  18. At the topmost point of a trajectory, its velocity and acceleration ar...

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