ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

Question # 2

Tick the correct answer:

Question # 3

The sum of two or more vectors is equal to a single vector which is called:

Question # 4

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

Question # 5

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 # 6

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

Question # 7

Unit vector is used to specify:

Question # 8

Parallel vectors of same magnitudes:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Cosine of an angle is positive in:

Question # 14

Scalar product is also called:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
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:
A. 30°
B. 45°
C. 60°
D. 90°
2 If the vector 5 N lies along with x-axis, then its component along y-axis will be:
A. Zero
B. 5 N
C. 7 N
D. 10 N
3 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
4 Tick the correct answer:
A. Torque is a vector quantity
B. Torque is the turning effect of a force
C. Torque is called moment of a force
D. All of above
5 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
6 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
7 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
8 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
9 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
10 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N

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