ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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 vector is space has:

Question # 3

Cosine of an angle is positive in:

Question # 4

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 # 5

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

Question # 6

Which of the following is scalar quantity?

Question # 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?

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

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

Question # 11

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

Question # 12

The driection of vector si space is specified by:

Question # 13

The vector in space has:

Question # 14

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

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 vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
2 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
3 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
4 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
5 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
6 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
7 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
8 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N
9 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
10 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above

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