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

Try The 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

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

Question # 2

Which of the following is scalar quantity?

Question # 3

The vector in space has:

Question # 4

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

Question # 5

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

Question # 6

The direction of vector in space is specified by:

Question # 7

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

Question # 8

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

Question # 9

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 # 10

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

Question # 11

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

Question # 12

Unit vector is used to specify:

Question # 13

Cosine of an angle is positive in:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:
A. 60°
B. 90°
C. 120°
D. 150°
2 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
3 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
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 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
6 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N
7 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
8 Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:
A. 20 N
B. 13.66 N
C. 10 N
D. 8.66 N
9 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
10 If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:
A. 45°
B. 315°
C. 135°
D. 225°

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