I don't believe that it is considered "working out", but you can get great exercise from it (and learn a lot of new tricks too)
They will be unable to jump as high as they can when on the trampoline.
So you don't fall off the trampoline...
all
5 Little Monkeys Jumping on the Bed.
think yourself
DEA - 1990 Jumping the Trampoline 1-4 was released on: USA: 28 September 1990
Gravitational Potential
when you are jumping on a trampoline you dont fly into space.
She was jumping really high in the trampoline with her friend that she fell and broke her leg.
push, gravity and meany others
yes,because compared to a person jumping on an oil coverd trampoline to a person jumping on a dry tampoline with socks on,yes you do need friction or you'll slid right off.
jumping on a trampoline. an airplane ride. swinging. bungee jumping