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

Question # 2

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 3

Tick the correct answer:

Question # 4

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

Question # 5

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 # 6

A force of 5 n is acting Y-axis. Its component along X-axis is:

Question # 7

Cosine of an angle is positive in:

Question # 8

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

Question # 9

The vector is space has:

Question # 10

By convention, torques producing clockwise rotation are taken as:

Question # 11

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

Question # 12

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

Question # 13

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Question # 14

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 # 15

A vector which has magnitude 'one' is called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
2 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
3 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
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 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 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
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 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 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
10 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

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