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

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

Question # 2

The vector is space has:

Question # 3

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

Question # 4

Unit vector is used to specify:

Question # 5

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

Question # 6

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

Question # 7

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

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

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Question # 10

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

Question # 11

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 # 12

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 # 13

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

Question # 14

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

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 Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
2 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
3 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
5 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
6 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
7 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
8 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
9 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
10 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force

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