ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

The driection of vector si space is specified by:

Question # 3

The direction of vector in space is specified by:

Question # 4

The direction of a vector in space requires:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

By convention, torques producing clockwise rotation are taken as:

Question # 9

The magnitude of the resultant of two forces may be increased by:

Question # 10

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

Question # 11

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

Question # 12

Scalar product is also called:

Question # 13

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:

Question # 14

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

Question # 15

Unit vector is used to specify:

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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 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
3 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
4 Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:
A. 20 N
B. 13.66 N
C. 10 N
D. 8.66 N
5 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
6 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
7 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°
8 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
9 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
10 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-

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