Question # 1

Scalar product is also called:

Choose an answer

Cross product

Dot product

Product scalar

Product vector

Which of the following is scalar quantity?

Choose an answer

Electric potential

Velocity

Momentum

Force

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 direction of a vector in space requires:

Choose an answer

X-axis

X and Y-axes

XYZ axes

Y and Z-axes

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

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

Choose an answer

0

1

2

3

The direction of vector in space is specified by:

Choose an answer

One angle

Two angles

Three angles

None of these

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

Choose an answer

Remains the same

Changes

Changes by 180°

None of these

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

Choose an answer

Changes its value

Doesn't change it's value

Changes the direction product quantity

None of these

Tick the correct answer:

Choose an answer

Torque is a vector quantity

Torque is the turning effect of a force

Torque is called moment of a force

All of above

Cosine of an angle is positive in:

Choose an answer

2nd quadrant

3rd quadrant

4th quadrant

All of these

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

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

Choose an answer

20 N

-2 N

18 N

36 N

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

Choose an answer

1st Quadrant

2nd Quadrant

3rd Quadrant

4th Quadrant

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

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Choose an answer

60°

90°

120°

150°

More Classes

Other Links

Physics ECAT Pre Engineering 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