Achievements of Kepler Include Proving That

question 12

Multiple Choice

Achievements of Kepler include proving that

• A) orbits of planets are elliptical.
• B) planets circle around the sun.
• C) planets move at different speeds.
• D) there is a mathematical relationship between the time it takes a planet to complete its orbit of the sun and its average distance from the sun.
• E) Each of these was proven by Kepler.

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Definitions:

Chemical Reaction

A change in the bonds between the atoms of different chemical elements or compounds.

Crankshaft

The shaft to which the pistons’ connecting rods are attached and through which power is transmitted from the engine to the transmission and ultimately to the drive wheels.

Mechanical Energy

The sum of the kinetic and potential energies in a mechanical system, accounting for the energy due to its motion and position.

Runout

A term used in mechanics and engineering, referring to the degree of deviation or wobbling from the ideal motion of a rotating component.