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FranAir friction, or drag, acts opposite to the direction of motion, slowing down a falling body as it moves through the air. The greater the surface area of the object or its speed, the more air resistance it experiences, which reduces its speed. This force can eventually reach a point where it equals the force of gravity, causing a terminal velocity, where the object no longer accelerates and falls at a constant speed.
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What friction causes a sky divers to change as she falls?
As a skydiver falls, air resistance causes friction against her body, gradually slowing her down. This friction increases as her speed decreases, ultimately leading to a terminal velocity where the forces of gravity and air resistance balance, resulting in a constant falling speed. This friction also helps stabilize the skydiver's position during free fall.
How do belayers use friction?
Belayers use friction by controlling the rope to create tension and help prevent the climber from falling. By holding the rope in a certain way and using their body position, belayers can manage the amount of friction on the rope to regulate the climber's speed and stop them safely. Proper friction management is essential for effective belaying and ensuring the climber's safety.
What is the speed of a falling body?
The speed of a falling body increases by 9.8 m/s^2 due to gravity, assuming no air resistance. This acceleration is constant until it reaches terminal velocity when air resistance matches gravitational force, causing the speed to stabilize.
What is the graph of the motion of a body falling vertically that reaches a terminal speed?
The graph of the motion of a body falling vertically that reaches a terminal speed would show an initial acceleration until the body reaches its terminal velocity. At this point, the graph would level off, showing constant velocity as the body falls continuously.
How fast is the acceleration of a falling body?
The acceleration of a falling body due to gravity is approximately 9.81 m/s^2, often rounded to 10 m/s^2 for simplicity. This means that the speed of a falling body increases by 9.81 meters per second every second.
