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

00:00
Question # 1

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

Question # 2

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

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

Question # 5

The vector is space has:

Question # 6

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

Question # 7

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

Question # 8

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

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

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 # 11

Cosine of an angle is positive in:

Question # 12

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 # 13

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

Question # 14

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

Question # 15

Two vectors having different magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
2 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
3 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
4 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
5 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
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 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
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 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector

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  • TABISH IQBAL

    TABISH IQBAL

    05 Jun 2018

    if the explanation of question provided it will help us more

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