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Science CBSE Homework Assignments
Class 8
Friction
Rolling friction
1.
Analogies in friction
Task:
4
m.
Find the analogy
:
1
.
Static friction
:
a car parked on a hill
::
Rolling friction
:
truck tires
2
.
Reduces friction
:
oil
::
Improves friction
:
by creating a rough surface
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