Which statement BEST explains the relationship between mass and weight.A.mass increases, weight is decreases.B.mass increases, w
1 answer:
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Answer:
Option B (1.51 m)
Explanation:
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Lower mass: 1.20 kg, upper mass: 1.28 kg
Explanation:
In order to solve the problem, we consider the forces acting on the upper mass only first.
The upper mass is acted upon three forces:
- The applied force
, upward
- The weight of the mass itself,
, where
is the upper mass and
is the acceleration of gravity, downward
- The tension in the string,
, downward
Therefore, the equation of the forces for the upper mass is:
where
is the acceleration (upward)
Solving for ,
Now we can find the lower mass by considering the forces acting on it:
- The tension in the string, T = 16 N, upward
- The weight of the mass itself,
, where
is the lower mass, downward
So the equation of the forces is
And solving for the mass,
Learn more about acceleration and forces:
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