ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

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

Question # 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:

Question # 4

The vector in space has:

Question # 5

The vector is space has:

Question # 6

Cosine of an angle is positive in:

Question # 7

When a vector is multiplied by a negative number, its direction:

Question # 8

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 # 9

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

Question # 10

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

Question # 11

Parallel vectors of same magnitudes:

Question # 12

Scalar product is also called:

Question # 13

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

Question # 14

Tick the correct answer:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
4 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
5 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
6 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
7 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
8 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
9 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°
10 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

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