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

Cosine of an angle is positive in:

Question # 2

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

Question # 3

Tick the correct answer:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Scalar product is also called:

Question # 9

The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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:

Question # 15

Two vectors having different magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The perpendicular distance from the axis of rotation to the line of action of force is called:
A. Moment arm
B. Moment of a force
C. Torque
D. Non of these
4 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:
A. 20 N
B. 13.66 N
C. 10 N
D. 8.66 N
5 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
6 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
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 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
9 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
10 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above

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