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

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

Question # 3

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

Question # 4

Torque is also called:

Question # 5

Scalar product is also called:

Question # 6

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

Question # 7

The direction of a vector in space requires:

Question # 8

Cosine of an angle is positive in:

Question # 9

Parallel vectors of same magnitudes:

Question # 10

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 # 11

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 # 12

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

Question # 13

The direction of vector in space is specified by:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
2 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
3 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
4 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
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 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 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
8 The sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None of these
9 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
10 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

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