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

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

Question # 2

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 # 3

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

Question # 4

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

Question # 5

Two vectors having different magnitudes:

Question # 6

Torque is also called:

Question # 7

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

Question # 8

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 # 9

The direction of vector in space is specified by:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Scalar product is also called:

Question # 14

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

Question # 15

Which of the following is scalar quantity?

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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 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
3 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
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 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
6 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
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 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
9 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
10 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these

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