ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

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 # 3

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

Question # 4

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

Question # 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:

Question # 6

The driection of vector si space is specified by:

Question # 7

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

Question # 8

The direction of a vector in space requires:

Question # 9

Torque is also called:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Unit vector is used to specify:

Question # 15

Which of the following is scalar quantity?

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
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 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
4 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
5 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
6 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
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 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
9 The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:
A. 20 m/sec
B. 5 m/sec
C. 3 m.sec
D. None of these
10 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

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