1 answer

An object with a mass of #7 kg# is hanging from a spring with a constant of #2 (kg)/s^2#. If

Question:

An object with a mass of #7 kg# is hanging from a spring with a constant of #2 (kg)/s^2#. If the spring is stretched by # 9 m#, what is the net force on the object?

Answers

The net force is #52 N#

Explanation:

The force due to the elongation of the spring is #=kx#
where #k=#is the spring constant and #x#, the elongation.
The weight of the object, acting downwards #=mg=70 N#
THe force acting upwards, due to the spring #=9*2=18 N#

So the net force #=70-18=52 N# acting downwards

.

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