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

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

Question # 2

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

Question # 3

The vector in space has:

Question # 4

Torque is also called:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Unit vector is used to specify:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The driection of vector si space is specified by:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
2 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
3 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°
4 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
5 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
6 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
7 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
8 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
9 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
10 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

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