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

Two vectors having different magnitudes:

Question # 2

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

Question # 3

The direction of a vector in space requires:

Question # 4

Scalar product is also called:

Question # 5

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

Question # 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:

Question # 7

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

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

Question # 10

Torque is also called:

Question # 11

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 # 12

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 # 13

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 14

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

Question # 15

The vector in space has:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
2 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
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 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
5 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
6 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
7 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
8 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
9 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
10 The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:
A. 0°
B. 30°
C. 45°
D. 60°

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