On the table there are 2 bars of the same size – wood and aluminum. On which of them is more force acting?
| August 15, 2021 | education
Vd = Va
g = 10 m / s ^ 2
ρа> ρд
Fа? Fd
Fа = mа * g, ma = ρа * Vа, Fа = ρа * Vа * g.
Fd = md * g, md = ρd * Vd, Fd = ρd * Va * g.
The product is larger where the multipliers are large. Since ρа> ρд, then Fа> Fд.
Answer: Fа> Fд.
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