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the moon rotates around the earth. The force keeping it in orbit around the earth aka the centripital force is caused by the gravitational force between the moon and the earth. If the gravitational force and thus the centripital force dissapeared, the moon would fly off tangent to its circular orbit
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What is the motion of a ball around a rod?
The motion would be circular characteristic of the centripital forces applied to the ball.
How does the sun keep earth in balance?
First, keep in mind that all objects that weigh anything have gravity - or how much they weigh (have mass). So the earth and other planets/asteroids/comets/planetesimals 'pull' on each other, their moons, if any, and on the Sun. Of course the Sun's gravity pulls all those things toward itself, too, because it has gravity. A lot of gravity.So actually, the Earth and all those other things are always 'falling' toward the Sun, and vice versa. The falling takes a different version in this case. We are familiar with acceleration in a straight line because we see it around us every day.But there is another acceleration that happens to objects in orbit.This type of acceleration is the acceleration of falling, BUT the acceleration is not the type we call 'speeding up', but the type that pushes away from the Sun (centrifugal force, or the force that makes the object (Earth) try to change to A straight line motion and fly off into space. Why doesn't the Earth just fly off into space with all that force pushing it?Well, the other 'acceleration' is called centripital acceleration - (again, not the kind associated with speed) - which results in 'centripital force', or the pulling of the Earth and Sun's gravity towards each other. Centripital force is like the "pull" on a string tied to a ball that you are whirling around. To answer your question . . . there is a very narrow orbit in which the Earth, etc, can orbit AND keep its centripital force and the opposite centrifugal force the same (balanced). And that is exactly where Earth is.There is nothing to change the Earth's orbit unless the Earth becomes much heavier or lighter, or the Sun becomes heavier or lighter. (That could happen in many billions of years) So as long as the Earth and Sun remain roughly at their current weights (masses), the Earth (or whatever) stays balanced in its orbit. The Sun doesn't 'do' anything about it . . . it just needs to exist and have gravity, which it does.KEY CONCEPT: Now, if the Earth (or whatever) or the Sun did change their mass, then the Earth would simply find a little bit smaller or larger orbit size, and be in balance, again, with slightly different centripital force and centrifugal force (but still equal to each other).
What is the astronaut inertia on the moon?
The astronaut's inertia on the moon would be the same as on Earth, as inertia is an object's resistance to a change in motion. However, due to the moon's lower gravity, the astronaut would weigh less and experience a reduced force opposing their motion compared to Earth.
Why cant orbits change spontaneously?
For a change in orbit, a planet would have to experience an external force large enough. This would have to be a large collision with a rogue planet sized object or something like that - a highly unlikely event.
How would the motion of the moon change if there were no centripedial force acting on it?
If there were no centripetal force acting on the moon, it would move in a straight line at a constant velocity tangent to its orbit. This would cause it to travel in a straight path away from its current orbit, eventually moving away from Earth instead of staying in a stable orbit.
What is the motion of a ball around a rod?
The motion would be circular characteristic of the centripital forces applied to the ball.
To start or change the motion of an object do you need unbalanced force or balanced force?
Doesn't matter Balanced Force would mean the object is traveling at a constant velocity due to Newton's First Law of Motion (Law of Inertia) Unbalenced Force would mean the object is accelerating (or decellerating) due to Newton's Second Law of Motion
What is any change in an object's motion called?
The change in an object's motion, is simply force.The object cannot change motion unless acted upon by an outside force. For example: If I throw a baseball, it will never stop unless acted upon by gravity (or the outside force). Or the outside force could be it smacking into a wall or your friends head.
The minimum number of forces to affect motion?
The motion of any mass remains constant ... neither its speed nor its direction can change ... until a force acts on the mass. The force may change the speed or direction of the motion, or both, depending on the direction of the force. Only a single force (1) is required to accomplish this change. In fact, if there are several forces, a single force can always be found that would have the same identical effect on the motion as all the separate ones have.
How would you change a force?
Just apply a different force onto the original one, or similarly, change the magnetic field would mean the same as wellSource: Newton's First Law: Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
Would there have to be an Unbalanced force acting on moving object?
There would have to be an unbalanced force put an object in motion but once in motion no force is necessary for it to remain in motion
Does a change in motion occur only if a net force is exerted on an object?
No. Changes in motion can occur in other ways. A change in motion can occur if that object exerts a net force on another object, like another ball on a billiard table. The object could also bump into an immovable object and its motion would change.
If you see an object change its motion what has happen to it?
when an object changes its motion it is because a new force that is greater than the original force has been applied to the object and that object changes its motion unless the force is in the same direction as the original force, which would then imply that the object stays in the same direction of motion, but moves at a greater speed in that direction.
What is motion force?
Motion force refers to the force that causes an object to move or change its speed and direction. It can be produced by various factors such as gravity, friction, or contact forces between two objects. Newton's laws of motion describe how motion force affects the movement and behavior of objects.
Is force necessary to change the speed or direction of a body?
Yes, force is necessary to change any motion of an object. The force can, for example be gravity or friction. Without these two factors, an object would continue moving in its original velocity (speed and direction) in eternity.
How are force and motion?
In order to create force, you have to create motion. So if you were to push on a box or pull your child away from the street, you would be creating a motion and force.
How would the motion of the moon change if there you no centripetal force acting on it?
At the instant the centripetal force disappeared, the moon would take off in a straight line into space, and would never be seen or heard from again.
