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

The vector in space has:

Question # 2

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

Question # 3

The direction of vector in space is specified by:

Question # 4

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

Question # 5

The driection of vector si space is specified by:

Question # 6

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

Question # 7

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

Question # 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:

Question # 9

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

Question # 10

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

Question # 11

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 # 12

Scalar product is also called:

Question # 13

Parallel vectors of same magnitudes:

Question # 14

If a vector lies in second quadrant, than Bxand Byare:

Question # 15

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:

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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 sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None of these
3 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
4 Tick the correct answer:
A. Torque is a vector quantity
B. Torque is the turning effect of a force
C. Torque is called moment of a force
D. All of above
5 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°
6 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
7 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
8 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
9 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
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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