Robotics : 19671


Robotics / 19671	19670 \| 19672

Subject:	Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
Newsgroups:	lugnet.robotics
Date:	Sat, 30 Nov 2002 01:33:45 GMT
Viewed:	896 times

Jim Choate wrote: > On Fri, 29 Nov 2002, Steve Baker wrote: > > > So long as we are down here on the surface of the earth talking about > > the air pressure under the skirt of a hovercraft and whether it'll > > lift or not, weight and mass are equivelent concepts. > > That's a pretty basic physics mistake <shrug>. How? It seems to me that as long as acceleration due to gravity is constant (i.e. same altitude, same planet; in this case, 9.8 m/s/s) then weight and mass have a simple proportional relationship.

Message has 1 Reply:

		Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
(...) Ok, remember you asked... Let's take example 1- You're in an elevator. The elevator goes down. Your weight decreases but your mass does not. Q: Where did the weight go? Did you mass change? Example 2- Take a 1lb weight and a scale. Scenario a: (...) (22 years ago, 30-Nov-02, to lugnet.robotics)

Message is in Reply To:

		Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
(...) That's a pretty basic physics mistake <shrug>. -- ___...___ We don't see things as they are, ravage@ssz.com we see them as we are. www.ssz.com jchoate@open-forge.org Anais Nin www.open-forge.org ---...--- (22 years ago, 29-Nov-02, to lugnet.robotics)

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