Explain in terms of forces why the box amd parachute fall at constant velocity
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Answer:
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Explanation:
Parachute. There are two forces acting on a parachute with a parachutist: the force of gravity and the air resistance. Suppose that the air resistance is kv2, where v is the speed of descent, and k is a positive constant.
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Answer:
Parachute. There are two forces acting on a parachute with a parachutist: the force of gravity and the air resistance. Suppose that the air resistance is kv2, where v is the speed of descent, and k is a positive constant.Once the parachute is opened, the air resistance overwhelms the downward force of gravity. The net force and the acceleration on the falling skydiver is upward.When drag is equal to weight, there is no net external force on the object, and the acceleration becomes zero. The object then falls at a constant velocity as described by Newton's first law of motion. The constant velocity is called the terminal velocity