- #1
wallace13
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A bodybuilder is holding a 20-kg steel barbell above her head. How much force would she have to exert if the barbell were lifted underwater?Fb= Density x Volume x Gravity
Density= mass/volume
7860= 20/ V
V= .00254 m^3
Fb= 1000 x .00245 x 9.81
Fb= 24.9174 N
Density= mass/volume
7860= 20/ V
V= .00254 m^3
Fb= 1000 x .00245 x 9.81
Fb= 24.9174 N