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

Two vectors having different magnitudes:

Question # 2

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

Question # 3

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

Question # 4

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 # 5

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

Question # 6

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

Question # 7

The direction of vector in space is specified by:

Question # 8

Scalar product is also called:

Question # 9

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

Question # 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:

Question # 11

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

Question # 12

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

Question # 13

Cosine of an angle is positive in:

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

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
2 Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
A. 2 N
B. - 2 N
C. 18 N
D. 36 N
3 When a vector is multiplied by a negative number, its direction:
A. Remains the same
B. Changes
C. Changes by 180°
D. None of these
4 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
5 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
6 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
7 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
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 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
10 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant

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