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

Question # 2

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

Question # 3

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

Question # 4

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 # 5

Parallel vectors of same magnitudes:

Question # 6

The vector is space has:

Question # 7

By convention, torques producing clockwise rotation are taken as:

Question # 8

Scalar product is also called:

Question # 9

Two vectors having different magnitudes:

Question # 10

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

Question # 11

Cosine of an angle is positive in:

Question # 12

Tick the correct answer:

Question # 13

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:

Question # 14

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

Question # 15

A vector which has magnitude 'one' is called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 If the vector 5 N lies along with x-axis, then its component along y-axis will be:
A. Zero
B. 5 N
C. 7 N
D. 10 N
3 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
4 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
5 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
6 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
7 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
8 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
9 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
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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