Generate Quiz 68DAC088C08CE

1 / 10

A vector in space has _____ dimension:

NUMS 2017
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) 0

B) 1

C) 2

D) 3

2 / 10

Find the work done in moving an object along a straight line from (3,2,−1) to (2,−1,4) in a force field given by F=4i^−3j^+2k^.

NTS 2013
Physics
Scalars and Vectors
Cartesian Coordinate System
Elimination Tool:

A) 10 units

B) 12 units

C) 15 units

D) 17 units

3 / 10

If a rotating body is moving anti-clockwise, the direction of angular velocity is:

PMC Practice 1
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Towards the centre

B) Along the linear velocity

C) Away from the centre

D) Perpendicular to both radius and linear velocity

4 / 10

The displacement has __________.

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Magnitude only

B) Direction only

C) Magnitude and direction

D) No unit is required

5 / 10

If the unit vectors i, j, k are perpendicular to each other therefore

i.i = j.j = k.k = ______.

I.j = j.k = k.i = ______.

NTS 2016 SMBBMC
Physics
Scalars and Vectors
Vector Addition by Rectangular Components
Elimination Tool:

A) 0 … 1

B) 1 … 0

C) 0 …. 0

D) 1 …. 1

6 / 10

The vectors A and B are such that |A + B| = |A – B|, then the angle between the two vectors is:

ETEA 2013
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) 00

B) 600

C) 900

D) 1800

7 / 10

A vector such as the velocity of a body undergoing uniform translational motion, which can be displaced parallel to itself and applied to any point is known as:

NTS 2010
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Unit vector

B) Free vector

C) Null vector

D) Position vector

8 / 10

The resultant of two forces has magnitude of 20N. If one of the forces is of magnitude 20√3 N and makes an angle of 30o with the resultant, then the other forces must be of magnitude:

NTS 2015 DUHS and JSMU
Physics
Scalars and Vectors
Resolution of Vectors
Elimination Tool:

A) 10√3 N

B) 20 N

C) 20√3 N

D) 10 N

9 / 10

Consider a car is travelling for one hour. In which of the following cases is the average velocity zero?

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) The car travels 20 km due east.

B) The car travels 60 km due east, then turns around and travels 40 km due west.

C) The car travels 70 km due east.

D) The car travels 30 km due west, then turns around and travels 30 km due east.

10 / 10

Vector is quantity that ——.

PMC Practice 4
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Has direction

B) Has magnitude

C) Follow rules of vector addition

D) None of the above

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Generate Quiz 68DAC088C08CE

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