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

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

Question # 2

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

Question # 3

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 # 4

By convention, torques producing clockwise rotation are taken as:

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

Question # 7

The direction of a vector in space requires:

Question # 8

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

Question # 9

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

Question # 10

A force of 5 n is acting Y-axis. Its component along X-axis is:

Question # 11

Parallel vectors of same magnitudes:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
2 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
3 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
4 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
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 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
7 A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
8 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
9 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
10 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

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