4
You visited us
4
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Vector Addition
Find the proj...
Question
Find the projection of vector
(
→
b
+
→
c
)
on vector
→
a
where
→
a
=
^
i
+
2
^
j
+
^
k
,
→
b
=
^
i
+
3
^
j
+
^
k
and
→
c
=
^
i
+
^
k
.
Open in App
Solution
→
a
=
^
i
+
2
^
j
+
^
k
→
b
=
^
i
+
3
^
j
+
^
k
→
b
+
→
c
=
(
^
i
+
3
^
j
+
^
k
)
+
(
^
i
+
^
k
)
=
2
^
i
+
3
^
j
+
2
^
k
Projection of
(
→
b
+
→
c
)
on
→
a
(
→
b
+
→
c
)
→
a
|
→
a
|
=
(
2
^
i
+
3
^
j
+
2
^
k
)
(
^
i
+
2
^
j
+
^
k
)
∣
∣
^
i
+
2
^
j
+
^
k
∣
∣
=
2
+
6
+
2
√
1
+
4
+
1
=
10
√
6
Suggest Corrections
0
Similar questions
Q.
If
→
a
=
^
i
+
^
j
−
^
k
,
→
b
=
−
^
i
+
2
^
j
+
2
^
k
&
→
c
=
−
^
i
+
2
^
j
−
^
k
, find a unit vectors normal to the vectors
→
a
+
→
b
and
→
b
+
→
c
.
Q.
If
→
a
=
3
^
i
+
2
^
j
+
2
^
k
,
→
b
=
−
^
i
+
3
^
j
−
^
k
,
→
c
=
^
i
+
^
j
+
^
k
, then find the value of
→
a
×
(
→
b
×
→
c
)
and
(
→
a
×
→
b
)
×
→
c
Q.
Let
→
a
=
^
i
+
2
^
j
+
^
k
,
→
b
=
^
i
−
^
j
+
^
k
and
→
c
=
^
i
+
^
j
−
^
k
.The vector in the plane of
→
a
and
→
b
, whose projection on C is
Q.
Given
→
a
=
^
i
+
^
j
−
^
k
,
→
b
=
−
^
i
+
2
^
j
+
^
k
and
→
c
=
−
^
i
+
2
^
i
−
^
k
.
A
unit vector perpendicular to both
→
a
+
→
b
&
→
b
+
→
c
is
Q.
Let,
→
a
=
^
i
+
2
^
j
+
^
k
,
→
b
=
^
i
−
^
j
+
^
k
,
→
c
=
^
i
+
^
j
−
^
k
.
A vector coplanar to
→
a
and
→
b
has a projection along
→
c
of magnitude
1
√
3
, then the vector is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Basic Operations
PHYSICS
Watch in App
Explore more
Vector Addition
Standard XII Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app