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

A vector which has magnitude 'one' is called:

Question # 2

Which of the following is scalar quantity?

Question # 3

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

Question # 4

The driection of vector si space is specified by:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Tick the correct answer:

Question # 9

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 # 10

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

Question # 11

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

Question # 12

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 # 13

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

Question # 14

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 # 15

By convention, torques producing clockwise rotation are taken as:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
2 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
3 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
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 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
6 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°
7 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
8 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
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 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

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