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How does friction and air resistance affects the motion of a object?
They'll try to slow it down.
What are some example of activities or inventions that manipulate air resistance to slow things down or speed them up?
identical masses dropped from the same height with and without a parachute
What things use air resistance to slow down?
A parachute
What are the forces of a plane slowing down to land?
Reduce the thrust, air resistance will reduce the velocity, lift will diminish, gravity will reduce the height.
Why does gravity pull things down fast if it has more weight?
You're describing a behavior that Galileo proved false 500 years ago. Gravity does not pull heavier things down faster.If you can eliminate the effects of air resistance, then anything you drop from the same height hits the ground at the same time, whether you drop a feather, a baseball, or a brick.
How does friction and air resistance affects the motion of a object?
They'll try to slow it down.
What are some example of activities or inventions that manipulate air resistance to slow things down or speed them up?
identical masses dropped from the same height with and without a parachute
What things use air resistance to slow down?
A parachute
What force slows things down the most?
Friction and Air Resistance
Rebecca is conducting an experiment to see if the height of a ramp affects the speed at which a marble rolls down the ramp What should be the only variable in Rebecca's experiment?
Dependant variable Height of the ramp
How physics affects flying?
gravity holds you down wings + forward motion = lift thrust = forward motion air resistance = resistance to forward motion thin air at altitude is easier and cheaper to get through
How does air resistance affect the height of a bottle rocket?
The vertical components of the air resistance acts vertically down on it. This adds to the effect of the gravitational force. Therefore net force is increased - it slows down more rapidly and so does not rise as far.
Why does air resistance slow things down?
Because the force generated is always opposite the direction of motion.
What are the forces of a plane slowing down to land?
Reduce the thrust, air resistance will reduce the velocity, lift will diminish, gravity will reduce the height.
Why does gravity pull things down fast if it has more weight?
You're describing a behavior that Galileo proved false 500 years ago. Gravity does not pull heavier things down faster.If you can eliminate the effects of air resistance, then anything you drop from the same height hits the ground at the same time, whether you drop a feather, a baseball, or a brick.
What is the analogy for if ascend is to height what is to descend?
Depth. To ascend is to go up, and to descend is go down. We measure the height of things above the ground and the depth of things below the ground.
How does air resistance affect how fast things fall?
Air resistance is basically friction between the object on the air- it has to push the air out of the way, and slows down.
