ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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Question # 1

The direction of a vector in space requires:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Scalar product is also called:

Question # 6

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

Question # 7

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 # 8

Torque is also called:

Question # 9

Cosine of an angle is positive in:

Question # 10

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

Question # 11

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

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

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

Question # 14

The vector in space has:

Question # 15

The direction of vector in space is specified by:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
2 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
3 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
4 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°
5 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
6 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
7 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
8 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
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 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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N

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