VCE Together Year 12 Physics: Applying Gravitational Field Concepts

#### Physics

• How do things move without contact?
• How are fields used to move electrical energy?
• How fast can things go?
• How can waves explain the behaviour of light?
• How are light and matter similar?
• Back to other subjects
Back to other subjects

# Applying Gravitational Field Concepts

This lesson is on Applying Gravitational Field Concepts, which is part of Unit 3 Area of Study 1 for VCE Physics.

### Change in Energy Between Orbits

There are many applications of gravitational force & energy in outer space. In this post, we will derive quantitatively and apply the concepts of gravitational force and gravitational potential energy in radial gravitational fields to a variety of situations including:

• Change of energy between orbits

Gravitational potential energy is the energy an object possesses because of its position in a gravitational field.

The formulae for gravitational potential energy is:

GPE = -G \frac{Mm}{r}

The following video will highlight the energy of different orbits.

### Geostationary and Geosynchronous Orbits

Various kinds of orbits have different purposes, especially for satellites. Learn to predict quantitatively the orbital properties of planets and satellites in a variety of situations, including near the Earth and geostationary orbits, and relate these to their uses.

A geostationary orbit is an orbital altitude at which the object in orbit having a period of the same duration and direction as the rotation of the Earth.

A geosynchronous orbit appears to hover over one spot on the Earth and is aligned to the Earth’s axis.

### Circular Motion and Satellites

Looking for more resources? Check out more of our VCE Physics resources here!

### 45,861 students have a head start...

Get exclusive VCE content & advice from our team of experts delivered weekly to your inbox!

## Here’s how we help...

### Holistic K-12 Tutoring

Attend our master-class workshops on how to ace your essays, assessments and exams!

### Comprehensive Workshops

Attend our master-class workshops on how to ace your essays, assessments and exams!

### Study, Uni, Career Mentoring

Attend our master-class workshops on how to ace your essays, assessments and exams!

### Senior School Workshops

Attend our master-class workshops on how to ace your essays, assessments and exams!

## 45,861 students have a head start...

Get exclusive study content & advice from our team of experts delivered weekly to your inbox!