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

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

Question # 2

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

Question # 3

When a vector is multiplied by a negative number, its direction:

Question # 4

The direction of vector in space is specified by:

Question # 5

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

Question # 6

The direction of a vector in space requires:

Question # 7

Which of the following is scalar quantity?

Question # 8

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

Question # 9

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

Question # 10

The vector is space has:

Question # 11

The driection of vector si space is specified by:

Question # 12

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 # 13

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

Question # 14

Two vectors having different magnitudes:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:
A. 60°
B. 90°
C. 120°
D. 150°
2 Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
A. 30°
B. 45°
C. 60°
D. 90°
3 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
4 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
5 The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:
A. 0
B. 1
C. 2
D. 3
6 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
7 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
8 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
9 Unit vector is used to specify:
A. Magnitude of a vector
B. Dimensions of a vector
C. Direction of a vector
D. Position of a vector
10 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these

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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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