69. A 4kg mass is resting on a horizontal
surface. For this surface us = 0.6 and
UK = 0.2. Force required to move the body
with 5ms-2 acceleration is (g = 10ms-2)
1) 20N 2) 24N 3)28N 4) 32N
please tell the procedure to do
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Answered by
1
Answer:
........
Explanation:
ANSWER
F
max
=(
10
6
)40
=2μN
=5m/s
2
⇒F−f
k
=m(5)
⇒F−
10
2
×40=20
F=25N
Answered by
8
Answer:
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