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Terminal Velocity
Terminal Velocity
Air Resistance is a force.
The idea is to calculate the downward force of gravity, and then subtract the air resistance, since it acts in the opposite way. This assumes that the ball falls directly downward.
Since gravity attracts the ball downward, and air resistance acts upwards (assuming that it falls straight down), you need to subtract the force of gravity (i.e., the weight) minus the air resistance.
Air resistance is a contact force because you are in contact with the air in order to apply that force.
air pressure is when air gets pressed down
"Free fall" means that gravity is the only force acting on a body.
Yes resistance would be a push force.
Since from the description it seems that the forces act in opposite directions, you simply subtract.
Terminal Velocity
Air resistance is a friction force, the flow of air over a surface will cause friction and produce drag. Thanks