ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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Question # 1

A vector which has magnitude 'one' is called:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:

Question # 6

Unit vector is used to specify:

Question # 7

The magnitude of the resultant of two forces may be increased by:

Question # 8

Parallel vectors of same magnitudes:

Question # 9

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Question # 10

Choose the set of physical quantities, which have both numerical and directional properties:

Question # 11

Scalar product is also called:

Question # 12

A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:

Question # 13

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

Question # 14

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

Question # 15

If a vector lies in second quadrant, than Bxand Byare:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
2 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
3 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
4 A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
5 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
6 When a vector is multiplied by a negative number, its direction:
A. Remains the same
B. Changes
C. Changes by 180°
D. None of these
7 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
8 Unit vector is used to specify:
A. Magnitude of a vector
B. Dimensions of a vector
C. Direction of a vector
D. Position of a vector
9 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
10 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass

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