Question # 1

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:

Choose an answer

20 N

13.66 N

10 N

8.66 N

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

Choose an answer

45°

90°

135°

Zero

Cosine of an angle is positive in:

Choose an answer

2nd quadrant

3rd quadrant

4th quadrant

All of these

A vector which has magnitude 'one' is called:

Choose an answer

Resultant vector

A unit vector

Position vector

None of these

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

Choose an answer

Component vector

Resultant vector

Product vector

None of these

A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?

Choose an answer

0 Km

4 Km

8 Km

12 Km

Parallel vectors of same magnitudes:

Choose an answer

Are equal

Are unequal

When added give the some equal to zero

Give the answer equal to zero

By convention, torques producing clockwise rotation are taken as:

Choose an answer

Positive

Nagative

Zero

None of these

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

Choose an answer

1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

If a vector lies in second quadrant, than B_xand B_yare:

Choose an answer

-,+

+,-

+,+

-,-

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

Choose an answer

100 N

70 N

20 N

Zero

The vector is space has:

Choose an answer

One Component

Two Compnents

Three Components

Non of these

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

Choose an answer

0°

30°

45°

60°

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

Choose an answer

1st Quadrant

2nd Quadrant

3rd Quadrant

4th Quadrant

Scalar product is also called:

Choose an answer

Cross product

Dot product

Product scalar

Product vector

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:

Choose an answer

Zero to 3 N

1 N to 13 N

13 N to 3 N

None of these

More Classes

Other Links

ECAT Physics Chapter 2 Vectors and Equilibrium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer