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

By convention, torques producing clockwise rotation are taken as:

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

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

Question # 4

Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:

Question # 5

Two vectors having different magnitudes:

Question # 6

The vector is space has:

Question # 7

If the vector 5 N lies along with x-axis, then its component along y-axis will be:

Question # 8

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

Question # 9

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 # 10

The driection of vector si space is specified by:

Question # 11

Torque is also called:

Question # 12

Unit vector is used to specify:

Question # 13

The direction of a vector in space requires:

Question # 14

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

Question # 15

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Unit vector is used to specify:
A. Magnitude of a vector
B. Dimensions of a vector
C. Direction of a vector
D. Position of a vector
3 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
4 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
5 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
6 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
7 If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:
A. 45°
B. 315°
C. 135°
D. 225°
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 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
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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