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

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

Question # 2

Two vectors having different magnitudes:

Question # 3

Unit vector is used to specify:

Question # 4

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

Question # 5

The vector is space has:

Question # 6

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 # 7

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

Question # 8

Parallel vectors of same magnitudes:

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 sum of two or more vectors is equal to a single vector which is called:

Question # 11

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

Question # 12

Torque is also called:

Question # 13

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

Question # 14

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

Question # 15

The perpendicular distance from the axis of rotation to the line of action of force is called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:
A. 45°
B. 315°
C. 135°
D. 225°
2 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°
3 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
4 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
5 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
6 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°
7 Parallel vectors of same magnitudes:
A. Are equal
B. Are unequal
C. When added give the some equal to zero
D. Give the answer equal to zero
8 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, 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 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

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