Consider a particle moving with constant speed such that its...
What force is needed to make an object move in a circle?
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Consider a particle moving with constant speed such that its...
When an object experiences uniform circular motion, the direction of...
When an object experiences uniform circular motion, the direction of...
A car goes around a curve of radius r at a constant speed v. ...
The acceleration of gravity on the Moon is one-sixth what it is on...
As a rocket moves away from the Earth's surface, the rocket's weight ...
Who was the first person to realize that the planets move in...
A roller coaster car is on a track that forms a circular loop in the...
The gravitational force between two objects is inversely proportional...
Compared to its mass on the Earth, the mass of an object on the Moon...
A spaceship is traveling to the Moon. At what point is it beyond...
Two planets have the same surface gravity, but planet B has twice the...
The speed of Halley's Comet, while traveling in its elliptical orbit...
A coin of mass m rests on a turntable a distance r from the axis of...
A pilot executes a vertical dive then follows a semi-circular arc...
A car goes around a curve of radius r at a constant speed v. ...
A person is standing on a scale in an elevator accelerating...
A roller coaster car (mass = M) is on a track that forms a circular...
Two objects attract each other gravitationally. If the distance...
Two objects, with masses m1 and m2, are originally a distance r...
Suppose a satellite were orbiting the Earth just above the...
Consider a small satellite moving in a circular orbit (radius r) about...
Satellite A has twice the mass of satellite B, and rotates in the same...
A car goes around a curve of radius r at a constant speed v. ...
Two objects, with masses m1 and m2, are originally a distance r...
A hypothetical planet has a mass of half that of the Earth and a...
Two planets have the same surface gravity, but planet B has twice the...
The gravitational force between two objects is proportional to ...
The acceleration of gravity on the Moon is one-sixth what it is on...
The average distance from the Earth to the Sun is defined as one...