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

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

Question # 2

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 # 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

Two vectors having different magnitudes:

Question # 5

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

Question # 6

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

Question # 7

The change of order of vectors in a dot product of two vectors:

Question # 8

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

Question # 9

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

Question # 10

The sum of two or more vectors is equal to a single vector which is called:

Question # 11

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 # 12

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

Question # 13

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

Question # 14

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 # 15

The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
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 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
5 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
6 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
7 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
8 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
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 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

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