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

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

Question # 2

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

Question # 3

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 # 4

Scalar product is also called:

Question # 5

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

Question # 6

Cosine of an angle is positive in:

Question # 7

By convention, torques producing clockwise rotation are taken as:

Question # 8

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 # 9

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

Question # 10

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

Question # 11

Which of the following is scalar quantity?

Question # 12

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

Question # 13

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

Question # 14

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?

Question # 15

The perpendicular distance from the axis of rotation to the line of action of force is called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
2 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
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 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
5 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°
6 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
7 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
8 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
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 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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N

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