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

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

Question # 2

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

Question # 3

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

Question # 4

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 # 5

Which of the following is scalar quantity?

Question # 6

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:

Question # 7

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 # 8

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

Question # 9

Unit vector is used to specify:

Question # 10

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

Question # 11

Cosine of an angle is positive in:

Question # 12

Parallel vectors of same magnitudes:

Question # 13

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

Question # 14

The driection of vector si space is specified by:

Question # 15

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

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ECAT Class Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If the vector 5 N lies along with x-axis, then its component along y-axis will be:
A. Zero
B. 5 N
C. 7 N
D. 10 N
2 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
3 Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
A. 2 N
B. - 2 N
C. 18 N
D. 36 N
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 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
6 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
7 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
8 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
9 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
10 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

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