ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

By convention, torques producing clockwise rotation are taken as:

Question # 2

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

Question # 3

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

Question # 4

The direction of a vector in space requires:

Question # 5

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

Question # 6

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

Question # 7

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

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

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

A vector which has magnitude 'one' is called:

Question # 11

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

Question # 12

Scalar product is also called:

Question # 13

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

Question # 14

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

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 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
2 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
3 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
4 The change of order of vectors in a dot product of two vectors:
A. Changes its value
B. Doesn't change it's value
C. Changes the direction product quantity
D. None of these
5 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
6 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
7 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
8 The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:
A. 20 m/sec
B. 5 m/sec
C. 3 m.sec
D. None of these
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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
10 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

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