It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
originally posted by: Starling
But what if one was to push a ball up half a hill, starting from half way up the hill, and the descent journey was twice as far down as the journey up?
Wouldn't there be a net gain in energy?
originally posted by: hellobruce
originally posted by: Starling
But what if one was to push a ball up half a hill, starting from half way up the hill, and the descent journey was twice as far down as the journey up?
Wouldn't there be a net gain in energy?
What about the energy used to get to the starting point, halfway up the hill?
originally posted by: hellobruce
originally posted by: GBP/JPY
at that point they nudge it to go up the inclined arm a little....thus giving it potential for more travel and a thereby a bit of work done...
Where does the energy for this "nudge" come from?