1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Physics
Rolling and Using Treads to Change Friction
What is the n...
Question
What is the necessary condition for rolling to take place ?
A
ω = r v
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
v = r ω
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
r = ω / v
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
v
2
= r ω
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
v = r ω
Suggest Corrections
0
Similar questions
Q.
A 5 V battery with internal resistance 2
Ω
and a 2 V battery with , internal resistance 1
Ω
are connected to a 10
Ω
resistor as shown in the figure.
The current in the 10
Ω
resistor is
Q.
A solid sphere is given velocity V and angular velocity
ω
as shown in figure. If
ω
=
V
2
R
, final velocity of sphere when pure rolling starts is
Q.
The voltage over a cycle varies as
V
=
V
0
s
i
n
ω
t
f
o
r
0
≤
t
≤
π
ω
and
V
=
−
V
0
s
i
n
ω
t
f
o
r
π
ω
≤
t
≤
2
π
ω
Then the average value of voltage is
Q.
In figure, take,
ε
1
=
6.0
V
,
ε
2
=
1.5
V
and
ε
3
=
4.5
V
,
R
1
=
600
Ω
,
R
2
=
125
Ω
and
R
3
=
300
Ω
. The correct option(s) is/are -
Q.
A battery of 10 V is connected in series with resistors of
3
Ω
,
5
Ω
,
4
Ω
,
5
Ω
a
n
d
13
Ω
.
How much current would flow through the
3
Ω
resistor?
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
Reinvent the Wheel
PHYSICS
Watch in App
Explore more
Rolling and Using Treads to Change Friction
Standard VIII 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