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

Question # 2

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

Question # 3

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:

Question # 4

Which of the following is scalar quantity?

Question # 5

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

Question # 6

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

Question # 7

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 8

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

Question # 9

A vector which has magnitude 'one' is called:

Question # 10

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

Question # 11

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

Question # 12

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 # 13

The vector in space has:

Question # 14

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

Question # 15

The direction of a vector in space requires:

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ECAT Class Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
5 The perpendicular distance from the axis of rotation to the line of action of force is called:
A. Moment arm
B. Moment of a force
C. Torque
D. Non of these
6 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N
8 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
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 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

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