WFU Department of Physics Wake Forest University

 

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WFU Physics Lecture Demonstrations

Hollow Globe Vs Mass, in Vacuum

PIRA 2B40.40

Image:

Photo of Demo

Description:

A hollow globe experience a bouyant force greater than that of a cylindrical mass. This is because its volume is great. When compared in air, they may weight the same, but when compared in vacuum (and thus no bouyant force), the ball will wiegh more.

Recipe and
Location:

Ball and Mass Demo
Vacuum Pump w/Bell Jar

Video:

Streaming Video:

None

MPG Video:

None

Real Video:

None

Notes:

None at this time.

 

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100 Olin Physical Laboratory
Wake Forest University
Winston-Salem, NC 27109-7507
Phone: (336) 758-5337, FAX: (336) 758-6142
E-mail:
wfuphys@wfu.edu