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

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

Question # 2

Parallel vectors of same magnitudes:

Question # 3

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

Question # 4

Scalar product is also called:

Question # 5

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

Question # 6

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

Question # 7

Cosine of an angle is positive in:

Question # 8

Unit vector is used to specify:

Question # 9

The vector in space has:

Question # 10

Which of the following is scalar quantity?

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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 # 15

The direction of a vector in space requires:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
2 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
3 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
4 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
5 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
6 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°
7 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
8 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
9 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
10 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

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