Thrust (1 Viewer)

[zxreth]

What force provides the forward thrust that gets you moving when you are:

a)cycling
b)downhill skiing
c)water skiing
d)skateboarding
e)swimming
f)rowing

thanks! =]

 

[khorne]

a) reaction force from friction with road
b) gravitational potential/gravity
c) the pull of the boat?
d) reaction force from force of leg on road
e) reaction force of arm movement
f) reaction force from water + paddle