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

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 # 2

The change of order of vectors in a dot product of two vectors:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Tick the correct answer:

Question # 8

The direction of vector in space is specified by:

Question # 9

The direction of a vector in space requires:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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 # 14

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 # 15

The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
3 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°
4 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
5 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
6 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
7 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
8 The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:
A. 0°
B. 30°
C. 45°
D. 60°
9 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
10 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

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