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In physics, work is defined as
F
⋅
D
F⋅DF, dot, D where
F
FF is the force applied over a distance of
D
DD.
A box is dragged across
20
2020 meters with a force of
60
6060 Newtons, which are
kg
⋅
m
s
2
s
2

kg⋅m
​
start fraction, start text, k, g, end text, dot, start text, m, end text, divided by, start text, s, end text, squared, end fraction.
What calculation will give us the work done, in Joules (which are
kg
⋅
m
2
s
2
s
2

kg⋅m
2

​
start fraction, start text, k, g, end text, dot, start text, m, end text, squared, divided by, start text, s, end text, squared, end fraction)?
Choose 1 answer:
Choose 1 answer:




30 PTS!!!

In Physics Work Is Defined As F D FDF Dot D Where F FF Is The Force Applied Over A Distance Of D DD A Box Is Dragged Across 20 2020 Meters With A Force Of 60 60 class=

Sagot :

sqdancefan

9514 1404 393

Answer:

  A. 20·60

Step-by-step explanation:

I often like to keep the units with the numbers, especially in Physics problems. This helps make sure the math is being done correctly.

  W = F·D

  W = (60 N)(20 m) = 60·20 N·m = 60·20 (kg·m/s²)(m) = 60·20 kg·m²/s²

  = 20·60 J

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