A satellite is in free fall. When the only force acting upon it is gravity, it reacts freely to this gravity, accelerating towards Earth. That is to say, instead of going in a straight line, the velocity vector changes direction, towards Earth. If the satellite is fast enough to be in orbit, it will never actually fall on Earth; but the velocity vector changes all the time.
Freefall is when an object falls under the influence of gravity alone, without any other forces acting on it. In a non-freefall scenario, objects may experience other forces such as air resistance or propulsion that affect their motion.
Freefall refers to the motion of an object falling solely under the influence of gravity, with no other forces acting on it except air resistance. During freefall, the only force acting on the object is its weight, causing it to accelerate downwards at a constant rate of 9.81 m/s^2 (due to gravity).
The only force acting on an object in freefall is gravity. This force causes the object to accelerate downward towards the Earth.
No, but it is possible to not have an increase in speed. Because velocity is a directional quantity, not a scalar one, an object in freefall (by definition within a gravity field) is always under acceleration, just not necessarily one that alters its speed or even its position. Objects in orbit around a planet are in freefall (hence weightlessness) where the tangential component of their forward motion opposes the pull of gravity.
When an object is dropped from a satellite in orbit around Earth, it will continue orbiting Earth at the same speed and direction as the satellite. From the perspective of someone on the satellite, the object will appear to float next to them due to being in free fall. However, once the object encounters Earth's atmosphere, it will experience drag and eventually fall towards Earth.
freefall
freefall
Freefall is when an object falls under the influence of gravity alone, without any other forces acting on it. In a non-freefall scenario, objects may experience other forces such as air resistance or propulsion that affect their motion.
Freefall refers to the motion of an object falling solely under the influence of gravity, with no other forces acting on it except air resistance. During freefall, the only force acting on the object is its weight, causing it to accelerate downwards at a constant rate of 9.81 m/s^2 (due to gravity).
[object Object]
The only force acting on an object in freefall is gravity. This force causes the object to accelerate downward towards the Earth.
It depends on the shape of the object and therefore its drag coefficient. For example, you can slow down your freefall by spreading your limbs out.
No, but it is possible to not have an increase in speed. Because velocity is a directional quantity, not a scalar one, an object in freefall (by definition within a gravity field) is always under acceleration, just not necessarily one that alters its speed or even its position. Objects in orbit around a planet are in freefall (hence weightlessness) where the tangential component of their forward motion opposes the pull of gravity.
When an object is dropped from a satellite in orbit around Earth, it will continue orbiting Earth at the same speed and direction as the satellite. From the perspective of someone on the satellite, the object will appear to float next to them due to being in free fall. However, once the object encounters Earth's atmosphere, it will experience drag and eventually fall towards Earth.
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The measure of an object's resistance to a change in its rotational motion about an axis is called inertia. It is similar to an object's resistance to a change in its linear motion, but it specifically refers to rotational motion. The greater an object's inertia, the more difficult it is to change its rotational motion.
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