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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Cosine of an angle is positive in:

Question # 8

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

Question # 9

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 # 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

The direction of a vector in space requires:

Question # 12

Two vectors having different magnitudes:

Question # 13

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

Question # 14

The direction of vector in space is specified by:

Question # 15

Unit vector is used to specify:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
5 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
6 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
7 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
8 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
9 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
10 When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:
A. 60°
B. 90°
C. 120°
D. 150°

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