English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

it takes 100joules of work to push a piano across the width of a stage.how wide is the stage , if the force used to push the piano is 5 newtons?

2007-10-21 13:46:43 · 3 answers · asked by :}smile :} 1 in Science & Mathematics Mathematics

3 answers

20 meters, because Work = Force x Distance
100Nm = 5N x Distance
100Nm/5N = Distance

2007-10-21 13:54:31 · answer #1 · answered by aaron.brake 3 · 0 0

Hi,
W=F·ds
And if the force is in the same direction as the direction of motion; then this becomes:
W=F*d
One joule = 1 N·m
Then we have:
100 = 5*d
d = 20

FE

2007-10-21 21:06:13 · answer #2 · answered by formeng 6 · 0 0

W= force*distance so d==W/f = 100/5 =20m

2007-10-21 20:53:18 · answer #3 · answered by santmann2002 7 · 1 0

fedest.com, questions and answers