ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

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

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

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

Question # 3

Two vectors having different magnitudes:

Question # 4

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

Question # 5

By convention, torques producing clockwise rotation are taken as:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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 # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
2 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
3 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
4 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
5 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
6 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
7 The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:
A. 20 m/sec
B. 5 m/sec
C. 3 m.sec
D. None of these
8 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
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 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

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