The magnitude of the force exerted on the wall is 2100N.
Based on the intersection of an object's mass and velocity, momentum quantifies the "motion content" of the object. For instance, when velocity doubles, momentum also doubles. Similarly to this, if two objects are moving at the same speed, the one with the larger mass also has the larger momentum.
On the other hand, force is the push or pull that is used to change an object's momentum. According to Newton's Second Law of Motion, force is calculated by multiplying the mass by acceleration. Since acceleration is the change in velocity divided by time, the following relationship can be used to link the two ideas:
force = mass x (velocity / time) = (mass x velocity) / time = momentum / time
Multiplying both sides of this equation by time:
force x time = momentum
So according to the Question,
In 1 sec 50kg water with 42m/s
speed falls horizontally on the wall and loses its speed to zero.
So initial momentum of 50kg of water
=50×42kgm/s
And the final momentum is zero
So force =
change in momentum/Time=
50×42/1
=2100N
Based on the intersection of an object's mass and velocity, momentum quantifies the "motion content" of the object. For instance, when velocity doubles, momentum also doubles. Similarly to this, if two objects are moving at the same speed, the one with the larger mass also has the larger momentum.
On the other hand, force is the push or pull that is used to change an object's momentum. According to Newton's Second Law of Motion, force is calculated by multiplying the mass by acceleration. Since acceleration is the change in velocity divided by time, the following relationship can be used to link the two ideas:
force = mass x (velocity / time) = (mass x velocity) / time = momentum / time
Multiplying both sides of this equation by time:
force x time = momentum
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