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Subjects
Science CBSE
Class 9
Force and laws of motion
Newton’s law of motion, Forces and its types
14.
Problem on frictional force
Exercise condition:
4
m.
A stone of
2
kg
is thrown with a velocity of
24
m
s
−
1
across the frozen surface of a lake and comes to rest after travelling a distance of
40
m
. What is the force of friction between the stone and the ice?
N
Important!
Note: Enter your answer with 2 decimal digits.
1
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