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$begingroup$
When an object, say a shoe, falls from a height (under the influence of gravity), it rebounds after hitting the ground. For an object to move upwards, it requires a force to overcome its weight. When the shoe hits the ground some of its energy is lost and the ground pushes back with a force less than its weight, so why does it rebound, since the upward force is not large enough to overcome its weight?
newtonian-mechanics forces conservation-laws collision free-body-diagram
edited 3 hours ago
Qmechanic♦
105k121891202
asked 3 hours ago
TakTak
111
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$endgroup$
add a comment |
$begingroup$
When an object, say a shoe, falls from a height (under the influence of gravity), it rebounds after hitting the ground. For an object to move upwards, it requires a force to overcome its weight. When the shoe hits the ground some of its energy is lost and the ground pushes back with a force less than its weight, so why does it rebound, since the upward force is not large enough to overcome its weight?
newtonian-mechanics forces conservation-laws collision free-body-diagram
edited 3 hours ago
Qmechanic♦
105k121891202
asked 3 hours ago
TakTak
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
When an object, say a shoe, falls from a height (under the influence of gravity), it rebounds after hitting the ground. For an object to move upwards, it requires a force to overcome its weight. When the shoe hits the ground some of its energy is lost and the ground pushes back with a force less than its weight, so why does it rebound, since the upward force is not large enough to overcome its weight?
newtonian-mechanics forces conservation-laws collision free-body-diagram
edited 3 hours ago
Qmechanic♦
105k121891202
asked 3 hours ago
TakTak
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
When an object, say a shoe, falls from a height (under the influence of gravity), it rebounds after hitting the ground. For an object to move upwards, it requires a force to overcome its weight. When the shoe hits the ground some of its energy is lost and the ground pushes back with a force less than its weight, so why does it rebound, since the upward force is not large enough to overcome its weight?
newtonian-mechanics forces conservation-laws collision free-body-diagram
newtonian-mechanics forces conservation-laws collision free-body-diagram
edited 3 hours ago
Qmechanic♦
105k121891202
asked 3 hours ago
TakTak
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 3 hours ago
Qmechanic♦
105k121891202
asked 3 hours ago
TakTak
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 3 hours ago
Qmechanic♦
105k121891202
edited 3 hours ago
Qmechanic♦
105k121891202
edited 3 hours ago
Qmechanic♦
105k121891202
105k121891202
asked 3 hours ago
TakTak
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
TakTak
111
asked 3 hours ago
TakTak
111
111
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Tak is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
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$begingroup$
Whatever the object lands on and the object itself acts as a spring and in compression the objects store elastic potential energy which comes from the downward motion (kinetic energy) of the objects.
That elastic potential energy is then converted into kinetic energy due to the upward motion of the object which was originally falling.
In general such collisions are inelastic and so not all the kinetic energy due to the downward motion becomes the kinetic energy of upward motion.
So it is the springiness of the objects which result in the force to slow the falling object down and then to exert a force greater than the weight of the object to propel the object upwards.
answered 3 hours ago
FarcherFarcher
49.9k338104
$endgroup$
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1 Answer
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$begingroup$
Whatever the object lands on and the object itself acts as a spring and in compression the objects store elastic potential energy which comes from the downward motion (kinetic energy) of the objects.
That elastic potential energy is then converted into kinetic energy due to the upward motion of the object which was originally falling.
In general such collisions are inelastic and so not all the kinetic energy due to the downward motion becomes the kinetic energy of upward motion.
So it is the springiness of the objects which result in the force to slow the falling object down and then to exert a force greater than the weight of the object to propel the object upwards.
answered 3 hours ago
FarcherFarcher
49.9k338104
$endgroup$
add a comment |
$begingroup$
Whatever the object lands on and the object itself acts as a spring and in compression the objects store elastic potential energy which comes from the downward motion (kinetic energy) of the objects.
That elastic potential energy is then converted into kinetic energy due to the upward motion of the object which was originally falling.
In general such collisions are inelastic and so not all the kinetic energy due to the downward motion becomes the kinetic energy of upward motion.
So it is the springiness of the objects which result in the force to slow the falling object down and then to exert a force greater than the weight of the object to propel the object upwards.
answered 3 hours ago
FarcherFarcher
49.9k338104
$endgroup$
add a comment |
$begingroup$
Whatever the object lands on and the object itself acts as a spring and in compression the objects store elastic potential energy which comes from the downward motion (kinetic energy) of the objects.
That elastic potential energy is then converted into kinetic energy due to the upward motion of the object which was originally falling.
In general such collisions are inelastic and so not all the kinetic energy due to the downward motion becomes the kinetic energy of upward motion.
So it is the springiness of the objects which result in the force to slow the falling object down and then to exert a force greater than the weight of the object to propel the object upwards.
answered 3 hours ago
FarcherFarcher
49.9k338104
$endgroup$
Whatever the object lands on and the object itself acts as a spring and in compression the objects store elastic potential energy which comes from the downward motion (kinetic energy) of the objects.
That elastic potential energy is then converted into kinetic energy due to the upward motion of the object which was originally falling.
In general such collisions are inelastic and so not all the kinetic energy due to the downward motion becomes the kinetic energy of upward motion.
So it is the springiness of the objects which result in the force to slow the falling object down and then to exert a force greater than the weight of the object to propel the object upwards.
answered 3 hours ago
FarcherFarcher
49.9k338104
answered 3 hours ago
FarcherFarcher
49.9k338104
answered 3 hours ago
FarcherFarcher
49.9k338104
answered 3 hours ago
FarcherFarcher
49.9k338104
49.9k338104
add a comment |
add a comment |
Tak is a new contributor. Be nice, and check out our Code of Conduct.
Tak is a new contributor. Be nice, and check out our Code of Conduct.
Tak is a new contributor. Be nice, and check out our Code of Conduct.
Tak is a new contributor. Be nice, and check out our Code of Conduct.
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