A machine that uses 200 watts of power moves an object to a distance of 15 m in 25 seconds . Find the force needed and work done by this machine
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Answered by
3
Power=200 watts
s=15 m
t=25 sec
F=?
W=?
P=W/t
=>P=Fs/t
=>P*t/d=F
=>200*25/15=F
=>1000/3=F
=>333.34=F
Now, W=t*P
=>200*25
=>5000J
s=15 m
t=25 sec
F=?
W=?
P=W/t
=>P=Fs/t
=>P*t/d=F
=>200*25/15=F
=>1000/3=F
=>333.34=F
Now, W=t*P
=>200*25
=>5000J
Answered by
8
Power = energy /time =work done /time = Force * distance /time
Force = 200 *25/15 = 333 .33 N
Work done = 200*25 = 5000 J
Force = 200 *25/15 = 333 .33 N
Work done = 200*25 = 5000 J
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