It has lift by having hot air, which rises. Gravity, Lift, and Friction act upon the balloon hovercraft. The friction is a fluid friction known as Air Resistance.
Friction
Gravity & Friction & support
wind resistance, gravitational force, friction.
safyans mum ;)
Gravity, Friction and Mass
Friction
The forces acting on the bike is gravity, air resistance and friction.
Gravity, friction, momentum
Usually gravity and friction.
Gravity & Friction & support
wind resistance, gravitational force, friction.
safyans mum ;)
Gravity, Friction and Mass
Gravity and friction come to mind . . .
The force of gravity, which pulls it down; and friction forces, which pull it up.
fluid friction
centripital motion, gravity, friction, ect.