Exam 5: Gravity

Describe two experiments that provide evidence of space-time curvature by the presence of a mass.

Newton's first law of motion was very similar to descriptions of motion proposed by _______________.

Newton's first law of motion is essentially a restatement of Galileo's law of inertia.

The term _______________ refers to a change in velocity.

According to Aristotle, an object with no forces acting on it will ____.

Spring tides occur at ____.

The M oon pulls more strongly on Earth's near and far side than on its center.

Newtonian gravity is often called universal mutual gravitation because every particle with mass in the Universe must attract every other particle.

The force due to the gravity between two objects depends on the ____,

Einstein revolutionized modern physics by ____.

An object's momentum is equal to its ____.

Aristotle believed that objects falling to the ground fall at a constant rate of speed.

The neap tides occur at the new moon and full moon.

If an object's velocity equals or exceeds the escape velocity, it will follow a closed parabolic or hyperbolic orbit.

According to the theory of general relativity, gravity is caused by the ____.

The velocity required to escape an astronomical body is known as the _______________.

As described by Kepler's second law, an object in an elliptical orbit reaches its ____ velocity when it is as at ____.

According to Aristotle, which scenario illustrates violent motion?

One of the first tests of the general theory of relativity was the ____.

The circular velocity of a satellite orbiting Earth is given by .  In this equation, M represents the ____.