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What does the lifting force on an airplane wing do?
increases with speed
What is gravitational accelaration?
the gravitational force attract all the thing to earth, the force increases 9.81 per second, which is called as gravitional acceleration.( speed is never increases or de creases and unit is m/s, its constant through specify distance and when the speed increases or decreases its called as acceleration its unit is m/s2).
What happens to the orbital speed of an object as it approaches the sun?
As an object approaches the sun, its orbital speed increases due to the stronger gravitational pull from the sun. This increase in speed allows the object to maintain its orbit despite the stronger gravitational force it experiences closer to the sun.
What is the relationship between mass gravitational pull and speed?
The gravitational pull of an object is directly proportional to its mass; larger masses exert a stronger gravitational force. According to Newton's law of universal gravitation, this force influences the speed of objects in its vicinity, affecting their orbits and trajectories. For instance, the greater the mass of a planet, the faster an object must travel to achieve orbit without falling into it, balancing the gravitational pull with centripetal force. Thus, while mass increases gravitational pull, the speed of an object in a gravitational field is determined by both this pull and its distance from the mass.
Why does the speed of an object increase as it gets closer to the object its orbiting?
As an object gets closer to the object it's orbiting, the gravitational pull between the two objects increases. This causes the object in orbit to accelerate, increasing its speed to balance the gravitational force and maintain its orbit.
How can an object change speed or direction?
Gravitational Force
When the only force acting on a falling object is air resistance?
The word "falling" implies there is a gravitational force also. As the object gains speed, the air resistance ("drag") increases, until it equals the gravitational force. After that there is no net (resultant) force, so the object goes at constant speed.
Is the a relationship between speed and the force of impact is what kind of relationship?
The relationship between speed and the force of impact is typically a linear relationship, meaning that as speed increases, the force of impact also increases proportionally. This relationship is described by the kinetic energy formula, where kinetic energy (and therefore force of impact) increases with the square of the speed.
Draw a free body diagram of a satellite in an elliptical orbit showing why its speed increases as it approaches its parent body and decreases as it moves away?
In a free body diagram of a satellite in an elliptical orbit, the satellite experiences a gravitational force directed toward its parent body. As the satellite approaches the parent body, this gravitational force increases, causing the satellite to accelerate and thus increase its speed. Conversely, as the satellite moves away from the parent body, the gravitational force decreases, resulting in a deceleration and a reduction in speed. This change in velocity is a direct consequence of the conservation of angular momentum and the varying distance from the parent body during the orbit.
What two things affect escape speed?
The two main factors that affect escape speed are the mass of the object and the gravitational force pulling it. A larger mass or a stronger gravitational force will result in a higher escape speed required to break free from the object's gravitational pull.
What does the speed of a satellite depend on when orbiting earth?
The speed of a satellite orbiting Earth primarily depends on its altitude and the gravitational pull of the Earth. According to Kepler's laws of planetary motion, a satellite in a lower orbit must travel faster to counteract the stronger gravitational force compared to one in a higher orbit. The relationship can be expressed using the formula for orbital speed, which shows that speed decreases as altitude increases. Additionally, the mass of the Earth affects this gravitational force, but it remains constant for all satellites orbiting the planet.
The lifting force on an airplane's wing does what?
increases with speed
