brittsterrr
25.11.2019 •
Physics
Urgent: using hooke's law, find the force needed to stretch a spring 2 cm if it has an elastic constant of 3 n/cm
a 6 n
b 3 n
c 2/3 n
d 3/2 n
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Ответ:
Answer : A (6 N)
we know that
from Hook's law , F = k.x
where, F = force applied on spring 9N)
k = spring constant (N/cm)
x = distance of spring stretched (cm)
Therefore,
F = 2 × 3
F = 6 N
Ответ:
Answer.
Step-by-step explanation.