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

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

Question # 2

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

Question # 3

Two vectors having different magnitudes:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 9

Scalar product is also called:

Question # 10

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

Question # 11

The direction of vector in space is specified by:

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

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 # 14

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

Question # 15

Parallel vectors of same magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
A. 30°
B. 45°
C. 60°
D. 90°
2 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
3 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
4 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
5 The change of order of vectors in a dot product of two vectors:
A. Changes its value
B. Doesn't change it's value
C. Changes the direction product quantity
D. None of these
6 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
7 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
8 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
9 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
10 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

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