ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

Try The 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 the vector 5 N lies along with x-axis, then its component along y-axis will be:

Question # 2

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

Question # 3

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 # 4

Torque is also called:

Question # 5

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 # 6

The perpendicular distance from the axis of rotation to the line of action of force is called:

Question # 7

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 # 8

By convention, torques producing clockwise rotation are taken as:

Question # 9

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 # 10

A vector which has magnitude 'one' is called:

Question # 11

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

Question # 12

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

Question # 13

Unit vector is used to specify:

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
3 Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
A. 30°
B. 45°
C. 60°
D. 90°
4 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
5 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
6 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
7 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
8 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
9 Tick the correct answer:
A. Torque is a vector quantity
B. Torque is the turning effect of a force
C. Torque is called moment of a force
D. All of above
10 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

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