Mar 22, 2010 Guest Blog - Electricity used when pulling weight
We don't typically post items related to science fairs (I get a
lot of them - they're always enjoyable but most aren't related
to NXT but just use an NXT robot to facilitate something else),
but I thought this was an interesting project worth sharing,
especially because it's using an NXT to obtain the results -
I've posted Keizo's results in the accompanying image. BTW -
Keizo is in 4th grade. Thanks for sending this in Keizo! - Jim
How Much Electricity Is Used When A Robot Pulls A Certain Weight
By Keizo M. Hypothesis: I think that the robot will use twice as
much electricity when the weight of the car is doubled. Why I
Chose This Project: Last year I got a LEGO Mindstorms NXT 2.0
for my birthday. I really enjoyed it, but while using it, I
noticed that the batteries run out quickly. I decided to measure
how much electricity would be used when a robot pulls a weight.
Materials: -Lego Mindstorms ® NXT 2.0 -Digital Voltmeter -6
Rechargeable Batterie