I would like to know why this is the correct answer -A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net force is decreased to 0.2 N?

*The acceleration decreases to a quarter of its original value, or about 0.13 m/s2.

The acceleration of the object if the net force is decreased = 0.13 m/s²

Given

A net force of 0.8 N acting on a 1.5-kg mass.

The net force is decreased to 0.2 N

Required

The acceleration of the object if the net force is decreased

Solution

Newton's 2nd law :

The mass used in state 1 and 2 remains the same, at 1.5 kg

ΣF=0.8 N

m=1.5 kg

The acceleration, a:

ΣF=0.2 N

m=1.5 kg

The acceleration, a:

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explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.