Question # 1

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

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45°

90°

135°

Zero

The sum of two or more vectors is equal to a single vector which is called:

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Component vector

Resultant vector

Product vector

None of these

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 direction of a vector in space requires:

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X-axis

X and Y-axes

XYZ axes

Y and Z-axes

Cosine of an angle is positive in:

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2nd quadrant

3rd quadrant

4th quadrant

All of these

By convention, torques producing clockwise rotation are taken as:

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Positive

Nagative

Zero

None of these

Scalar product is also called:

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Cross product

Dot product

Product scalar

Product vector

Torque is also called:

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Momentum

Linear inertia

Moment of a force

Mass

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

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

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100 N

70 N

20 N

Zero

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

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45°

315°

135°

225°

The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:

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0°

30°

45°

60°

Unit vector is used to specify:

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Magnitude of a vector

Dimensions of a vector

Direction of a vector

Position of a vector

For measuring the angle between two vectors graphically, we join:

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Tails of both the vectors

Tail of one vector with the head of other

Heads of both the vectors

None of these

A force of 5 n is acting Y-axis. Its component along X-axis is:

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7 N

5 N

Zero

10 N

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

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