Question # 1

The direction of vector in space is specified by:

Choose an answer

One angle

Two angles

Three angles

None of these

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

Choose an answer

Tails of both the vectors

Tail of one vector with the head of other

Heads of both the vectors

None of these

Unit vector is used to specify:

Choose an answer

Magnitude of a vector

Dimensions of a vector

Direction of a vector

Position of a vector

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

Choose an answer

Velocity, mass

Speed, acceleration

acceleration weight

Distance, force

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

Choose an answer

Remains the same

Changes

Changes by 180°

None of these

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

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

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

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

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

The vector in space has:

Choose an answer

One component

Two components

Three components

None of these

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

Which of the following is scalar quantity?

Choose an answer

Electric potential

Velocity

Momentum

Force

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Choose an answer

30°

45°

60°

90°

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

Choose an answer

Moment arm

Moment of a force

Torque

Non of these

More Classes

Other Links

ECAT Pre General Science 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