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

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:

Question # 2

The direction of vector in space is specified by:

Question # 3

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

Question # 4

Two vectors having different magnitudes:

Question # 5

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

Question # 6

By convention, torques producing clockwise rotation are taken as:

Question # 7

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

Question # 8

Scalar product is also called:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The vector is space has:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
2 The sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None of these
3 If the vector 5 N lies along with x-axis, then its component along y-axis will be:
A. Zero
B. 5 N
C. 7 N
D. 10 N
4 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
5 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
6 The magnitude of the resultant of two forces may be increased by:
A. Increasing the angle between them
B. Decreasing the angle between them
C. Drawing a triangle to represent them
D. None of these
7 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
8 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
9 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
10 The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:
A. 0
B. 1
C. 2
D. 3

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