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

Cosine of an angle is positive in:

Question # 2

Torque is also called:

Question # 3

The driection of vector si space is specified by:

Question # 4

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

Question # 5

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

Question # 6

Scalar product is also called:

Question # 7

Parallel vectors of same magnitudes:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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 # 13

Two vectors having different magnitudes:

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
2 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
3 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
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 vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
6 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
7 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
8 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
9 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
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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