Respuesta :
Answer:
(4) weight
Explanation:
The centripetal force acting on the space shuttle in orbit is given by:
[tex]F=m\frac{v^2}{r}[/tex]
where
m is the mass of the shuttle
v is the tangential speed of the shuttle
r is the radius of its circular orbit
When the shuttle orbits the Earth, the centripetal force that keeps the shuttle in circular motion is given by the gravitational attraction between the shuttle and the Earth, which corresponds to the weight of the shuttle, and it is given by:
[tex]F=G\frac{Mm}{r^2}[/tex]
where
G is the gravitational constant
M is the Earth's mass
And this force, therefore, corresponds to the centripetal force.
Option (4) is correct. The centripetal force acting on the space shuttle is equal to the weight of the space shuttle.
Explanation:
The centripetal force is the force that is experienced by a body when it is moving in a circular path. As the body moves, the force experienced by the body towards its center and it is called as the centripetal force.
When the space shuttle present in the space is moving around the Earth in a particular orbit, there is a force acting on the space shuttle due to its speed in the circular path. This force is the centripetal force.
To keep the space shuttle to move in its definite path, the weight of the space shuttle acts in the direction opposite to the centripetal force and keeps the shuttle from moving out of the path.
Thus, Option (4) is correct. The centripetal force acting on the space shuttle is equal to the weight of the space shuttle.
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Answer Details:
Grade: High School
Subject: Physics
Chapter: Circular motion
Keywords:
Centripetal, force, space, shuttle, earth, inertia, weight, momentum, weight, circular, definite path.
