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

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

Question # 2

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

Question # 3

The direction of vector in space is specified by:

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

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 # 6

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 # 7

The vector in space has:

Question # 8

The driection of vector si space is specified by:

Question # 9

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

Question # 10

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

Question # 11

Cosine of an angle is positive in:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
4 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
5 Parallel vectors of same magnitudes:
A. Are equal
B. Are unequal
C. When added give the some equal to zero
D. Give the answer equal to zero
6 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
7 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
8 Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
A. 30°
B. 45°
C. 60°
D. 90°
9 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
10 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these

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