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

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 # 2

Cosine of an angle is positive in:

Question # 3

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

Question # 4

Scalar product is also called:

Question # 5

Torque is also called:

Question # 6

Which of the following is scalar quantity?

Question # 7

The direction of a vector in space requires:

Question # 8

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

Question # 9

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 # 10

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

Question # 11

The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:

Question # 12

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

Question # 13

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?

Question # 14

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 # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
2 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
3 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
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 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
6 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
7 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
8 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°
9 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
10 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

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