ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Unit vector is used to specify:

Question # 6

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

Question # 7

The direction of a vector in space requires:

Question # 8

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?

Question # 9

By convention, torques producing clockwise rotation are taken as:

Question # 10

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

Question # 11

The vector in space has:

Question # 12

Two vectors having different magnitudes:

Question # 13

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 # 14

Tick the correct answer:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Parallel vectors of same magnitudes:
A. Are equal
B. Are unequal
C. When added give the some equal to zero
D. Give the answer equal to zero
3 The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:
A. 0°
B. 30°
C. 45°
D. 60°
4 Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
A. 2 N
B. - 2 N
C. 18 N
D. 36 N
5 The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:
A. 20 m/sec
B. 5 m/sec
C. 3 m.sec
D. None of these
6 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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N
7 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
8 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
9 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
10 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector

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