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Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight in 1985. Deadlifting involves raising a loaded barbell from the floor toa position above the head with outstretched arms. Determine the work done by Lamar in deadlifting 300 kg to a height of 1.90 m above the ground. O 157.89 J 570.00 J 0.006 J 5,586.00 J​

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rafaleo84

Answer:

W = 5586[J]

Explanation:

Work in physics is defined as the product of force by a distance.

[tex]W=F*d[/tex]

where:

W = work [J]

F = force = m*g [N]

m = mass = 300 [kg]

g = gravity acceleration = 9.81 [m/s²]

d = distance = 1.9 [m]

Now replacing:

[tex]W=m*g*d\\W=300*9.81*1.9\\W=5586[J][/tex]