WorksheetsTHEORY ASSIGNMENT 1 DUM20132 MAY-OCT 2021 (UNIT 2 - SET 2)
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Vector is a quantity with:
a)
magnitude and direction
b)
magnitude
c)
direction
d)
none of the above
2.
Which of the following figures represent equal Vectors?
a)
A only
b)
A and B
c)
C only
d)
All of them
3.
If a Vector has magnitude equal to 1 it is called ________?
a)
Unit Vector
b)
Standard Position Vector
c)
Zero Vector
d)
Scalar
4.
What is the resultant of these two vectors?
a)
+17 m
b)
+3 m
c)
-17 m
d)
-3 m
5.
Which vector equation matches the vector operation shown in the diagram below?
a)
u-v=w
b)
u-v=-w
c)
u+v=w
d)
v+u=-w
6.
If w = <2, -5> and y = <2, 0>, find 2w + y.
a)
<-10, 2>
b)
<4, -5>
c)
<-6, 10>
d)
<6, -10>
7.
The addition
(A+B)of the following vectors A=(15, 3, 2) and B=(−5, 2, −9) is...
a)
R=(10,5,−7)
b)
R=(20,5,−7)
c)
R=(20,1,11)
d)
R=(10,1,11)
8.
Find the magnitude of the vector -5i + 12j
a)
13
b)
10.91
c)
7
d)
17
9.
If a=3i +5j+k and b=2i+j+3k then a . b=
a)
41
b)
12
c)
21
d)
14
10.
Calculate the cross product of <1, -2, 1> and <2, -1,1>
a)
5
b)
3
c)
< -1, -1, 3>
d)
< -1, 1, 3>
100 %
