In the figure shown, find acceleration of block
and force of friction on it of friction on it.
F = 20N
4kg
Answers
Answered by
6
Answer:
5m/s² & 40N
Explanation:
f=ma
20=4.a
a = 20/4
a= 5m/s²
f-F = ma
f-20=4.5
f-20= 20
f= 20+20
f= 40N
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