160 joules of work was needed in order to move an object 8 meter across a floor. What was the force in Newton?

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2007-07-07 06:13:57 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics

work = force x distance
160 = force x 8
160 = 8N
160/8=8N/8
20 = n
hence force in Newton is 20N

2007-07-07 06:19:30 · answer #1 · answered by Psygnosis 3 · 0⤊ 2⤋

work= 160 joules
distance= 8 meter
work= force x distance
160= 8f
f= 20 N
The force is 20 Newton

2007-07-07 13:22:56 · answer #2 · answered by chris 3 · 0⤊ 0⤋

W = F x D
160J = F x 8
160 Ã· 8 = 20 N of force.

2007-07-07 13:50:09 · answer #3 · answered by Norrie 7 · 0⤊ 0⤋

Read this:

http://searchsmb.techtarget.com/sDefinition/0,,sid44_gci213565,00.html

2007-07-07 13:23:02 · answer #4 · answered by oregfiu 7 · 0⤊ 2⤋