Question # 1

If two forces of magnitudes 3.5 and 2.5 N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:

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1.0 N

6 N

3.5 N

12 N

All trigonometric functions (since, cosine tangent etc. ) are positive in:

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1st Quadrant

2nd Quadrant

3rd Quadrant

4th Quadrant

All trigonometric functions (sine, cosine, tangent etc) are positive in:

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

Cosine of an angle is positive in:

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2nd quadrant

3rd quadrant

4th quadrant

All of these

Tick the correct answer:

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Torque is a vector quantity

Torque is the turning effect of a force

Torque is called moment of a force

All of above

Scalar product is also called:

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Cross product

Dot product

Product scalar

Product vector

Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:

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2 N

- 2 N

18 N

36 N

The vector is space has:

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One Component

Two Compnents

Three Components

Non of these

Torque is also called:

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Momentum

Linear inertia

Moment of a force

Mass

The direction of a vector in space requires:

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X-axis

X and Y-axes

XYZ axes

Y and Z-axes

A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?

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0 Km

4 Km

8 Km

12 Km

The perpendicular distance from the axis of rotation to the line of action of force is called:

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Moment arm

Moment of a force

Torque

Non of these

Parallel vectors of same magnitudes:

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Are equal

Are unequal

When added give the some equal to zero

Give the answer equal to zero

The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:

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20 m/sec

5 m/sec

3 m.sec

None of these

When a vector is multiplied by a negative number, its direction:

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Remains the same

Changes

Changes by 180°

None of these

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium Online Test MCQs With Answers

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