ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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 vector is space has:

Question # 2

Parallel vectors of same magnitudes:

Question # 3

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

Question # 4

The vector in space has:

Question # 5

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

Question # 6

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

Question # 7

Torque is also called:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Which of the following is scalar quantity?

Question # 15

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:

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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 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
3 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
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 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
6 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
7 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
8 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
10 If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:
A. 45°
B. 315°
C. 135°
D. 225°

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