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5: Uniform Circular Motion and Gravitation

5: Uniform Circular Motion and Gravitation

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Nov 5, 2020
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- 4.7: Further Applications of Newton’s Laws
- 5.1: Introduction to UCM and Gravitation

Boundless
Boundless

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5.1: Introduction to UCM and Gravitation
Uniform circular motion is a motion in a circular path at constant speed.
5.2: Non-Uniform Circular Motion
Non-uniform circular motion denotes a change in the speed of a particle moving along a circular path.
5.3: Velocity, Acceleration, and Force
The rotational angle is a measure of how far an object rotates, and angular velocity measures how fast it rotates.
5.4: Types of Forces in Nature
Tides are the rise and fall of sea levels due to the effects of the gravity exerted by the moon and the sun, and the rotation of the Earth.
5.5: Newton’s Law of Universal Gravitation
Objects with mass feel an attractive force that is proportional to their masses and inversely proportional to the square of the distance.
5.6: Kepler’s Laws
Kepler’s first law is: The orbit of every planet is an ellipse with the Sun at one of the two foci.
5.7: Gravitational Potential Energy
Gravitational energy is the potential energy associated with gravitational force, such as elevating objects against the Earth’s gravity.
5.8: Energy Conservation
An object reaches escape speed when the sum of its kinetic energy and its gravitational potential energy is equal to zero.
5.9: Angular vs. Linear Quantities
The familiar linear vector quantities such as velocity and momentum have analogous angular quantities used to describe circular motion.

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