Gravity and Orbits

Gravity and Orbits

Interactive eBook+
ESS1.B, PS2.A, PS2.B
Stock Number PE020XS

The Gravity and Orbits ebook investigates concepts related to Earth's universal gravitation and how gravity affects the universe around us, including the formation of celestial objects and the orbiting of celestial bodies.

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    Universal Gravitation – Every object exerts a gravitational force on every other object; gravitational force is hard to detect unless one of the objects has a lot of mass; any two objects will exert equal gravitational force on one another; gravity is the force behind falling rain and flowing rivers Gravitational Force – The variables that influence gravitational forces on objects; mass as a measure of matter and weight as a measure of gravitational force; the strength of gravitational forces between objects Orbits – Gravitational force influences the motion of orbiting objects; how an object’s forward motion and motion toward center creates a curved path; how gravity governs the motion of all objects in the Solar System
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