1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VII
Physics
Sliding Friction
state the law...
Question
state the laws of static and kinetic friction. Give advantage and disadvantages of friction and also give the method of minimising friction
Open in App
Solution
Dear student
1
)
S
t
a
t
i
c
f
r
i
c
t
i
o
n
o
p
e
r
a
t
e
s
w
h
e
n
t
h
e
r
e
i
s
n
o
r
e
l
a
t
i
v
e
m
o
t
i
o
n
b
e
t
w
e
e
n
t
h
e
s
u
r
f
a
c
e
s
o
f
c
o
n
t
a
c
t
b
u
t
t
h
e
k
i
n
e
t
i
c
f
r
i
c
t
i
o
n
a
c
t
s
w
h
e
n
t
h
e
r
e
i
s
r
e
l
a
t
i
v
e
m
o
t
i
o
n
b
e
t
w
e
e
n
t
h
e
c
o
n
t
a
c
t
s
u
r
f
a
c
e
s
.
2
)
S
t
a
t
i
c
f
r
i
c
t
i
o
n
i
s
a
s
e
l
f
a
d
j
u
s
t
i
n
g
f
o
r
c
e
a
s
i
t
s
m
a
g
n
i
t
u
d
e
v
a
r
i
e
s
a
s
0
≤
f
≤
μ
s
N
b
u
t
m
a
g
n
i
t
u
d
e
o
f
k
i
n
e
t
i
c
f
r
i
c
t
i
o
n
r
e
m
a
i
n
s
c
o
n
s
tan
t
f
k
i
n
e
t
i
c
=
μ
k
×
N
D
i
s
a
d
v
a
t
a
g
e
o
f
f
r
i
c
t
i
o
n
i
s
t
h
a
t
i
t
c
a
u
s
e
s
w
e
a
r
a
n
d
t
e
a
r
i
n
t
h
e
t
y
r
e
s
,
m
a
c
h
i
n
e
s
,
p
r
o
d
u
c
e
s
h
e
a
t
w
h
e
n
a
m
a
c
h
i
n
e
o
p
e
r
a
t
e
s
.
A
d
v
a
n
t
a
g
e
i
s
W
e
c
a
n
w
r
i
t
e
o
n
p
a
p
e
r
a
s
i
t
i
s
t
h
e
f
r
i
c
t
i
o
n
b
e
t
w
e
e
n
t
h
e
p
a
p
e
r
a
n
d
t
h
e
i
n
k
w
h
i
c
h
h
o
l
d
s
t
o
g
e
t
h
e
r
a
n
d
w
e
c
a
n
w
r
i
t
e
W
e
c
a
n
n
o
t
p
u
t
n
a
i
l
o
n
t
h
e
w
a
l
l
i
n
a
b
s
e
s
c
e
o
f
f
r
i
c
t
i
o
n
W
e
c
a
n
n
o
t
w
a
l
k
i
n
a
b
s
e
v
c
e
o
f
f
r
i
c
t
i
o
n
.
W
e
c
a
n
r
e
d
u
c
e
i
t
b
y
l
u
b
r
i
c
a
t
i
o
n
b
e
t
w
e
e
n
c
o
n
t
a
c
t
s
u
r
f
a
c
e
s
R
e
g
a
r
d
s
Suggest Corrections
0
Similar questions
Q.
State two advantages and disadvantages of friction.
Q.
Simple sentences....
Advantages and disadvantages of friction....
Easily ......
Q.
If
μ
r
,
μ
k
and
μ
s
represent the coefficients of rolling friction, kinetic friction and static friction, then
Q.
Which is true for rolling friction
(
μ
r
)
, static friction
(
μ
s
)
and kinetic friction
(
μ
k
)?
Q.
Mark the correct statements about the friction between two bodies.
(a) Static friction is always greater than the kinetic friction.
(b) Coefficient of static friction is always greater than the coefficient of kinetic friction.
(c) Limiting friction is always greater than the kinetic friction.
(d) Limiting friction is never less than static friction.
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
Static Friction
PHYSICS
Watch in App
Explore more
Sliding Friction
Standard VII 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
Solve
Textbooks
Question Papers
Install app
