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 the resultant of two forces may be increased by:

Question # 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?

Question # 3

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 # 4

Unit vector is used to specify:

Question # 5

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

Question # 6

Cosine of an angle is positive in:

Question # 7

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

Question # 8

Scalar product is also called:

Question # 9

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

Question # 10

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

Question # 11

Which of the following is scalar quantity?

Question # 12

For measuring the angle between two vectors graphically, we join:

Question # 13

A vector which has magnitude 'one' is called:

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
3 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
4 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
5 The magnitude of the resultant of two forces may be increased by:
A. Increasing the angle between them
B. Decreasing the angle between them
C. Drawing a triangle to represent them
D. None of these
6 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
7 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
8 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
9 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
10 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes

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