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

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

Question # 2

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

Question # 3

A vector which has magnitude 'one' is called:

Question # 4

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

Question # 5

Which of the following is scalar quantity?

Question # 6

Scalar product is also called:

Question # 7

Cosine of an angle is positive in:

Question # 8

The vector is space has:

Question # 9

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

Question # 10

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

Question # 11

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

Question # 12

The direction of vector in space is specified by:

Question # 13

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 # 14

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

Question # 15

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
2 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
3 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
4 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
5 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°
6 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
7 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
8 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°
9 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
10 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass

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