Asked by me
A child pulls a 13 kg sled across the snow at a constant 1.6 m/s [N] applying a force of 51 N [N 25 deg U]. How much work have they done after pulling for 44 m? Round answers to the nearest whole number.
m=13kg
Vcon=1.6m/s
F=51N
d=44
cos theta=25
W=Fdcostheta?
I don't know how to this because I did a similar question, plugged everything in and got it wrong.
m=13kg
Vcon=1.6m/s
F=51N
d=44
cos theta=25
W=Fdcostheta?
I don't know how to this because I did a similar question, plugged everything in and got it wrong.
Answers
Answered by
bobpursley
yes, that is it
Answered by
me
k thanks :)
Answered by
me
i realized the last time when i got it wrong, I put in;
w=Fdcos20
=51(44)(20)
when i should've put;
w=51(44)(cos20)
w=Fdcos20
=51(44)(20)
when i should've put;
w=51(44)(cos20)
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