Question # 1

By convention, torques producing clockwise rotation are taken as:

Choose an answer

Positive

Nagative

Zero

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

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

Choose an answer

45°

315°

135°

225°

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

Choose an answer

1st Quadrant

2nd Quadrant

3rd Quadrant

4th Quadrant

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

The vector in space has:

Choose an answer

One component

Two components

Three components

None of these

The vector is space has:

Choose an answer

One Component

Two Compnents

Three Components

Non of these

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

Choose an answer

7 N

5 N

Zero

10 N

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

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:

Choose an answer

1.0 N

6 N

3.5 N

12 N

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

Choose an answer

20 m/sec

5 m/sec

3 m.sec

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

The driection of vector si space is specified by:

Choose an answer

One angle

Two angles

Three angles

None of above

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