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

By convention, torques producing clockwise rotation are taken as:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Tick the correct answer:

Question # 7

The driection of vector si space is specified by:

Question # 8

The direction of vector in space is specified by:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Scalar product is also called:

Question # 13

Parallel vectors of same magnitudes:

Question # 14

Cosine of an angle is positive in:

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 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
5 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All 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 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
8 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
9 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
10 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

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