Question # 1

A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

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5 N

8.66 N

10 N

Zero

If a vector of magnitude 10 N along y-axis then its component along x-axis is

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0 N

5 N

8.66 N

10 N

Name the quantity which is a vector.

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Speed

Force

Temperature

Density

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The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

Dot product of vector with itself is.

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Zero

2 A

A²

A

If r = 5 m and f = 4 N are along same direction, them torque is

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20 Nm

5 Nm

10 Nm

Zero

Direction of a vector in space requires

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Two axis

Three axis

Four axis

Both a and b

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