VISUAL PHYSICS ONLINE

MODULE 5

ADVANCED MECHANICS

SUMMARY: [2D] MOTION (PROJECTILES)

SYLLABUS EQUATIONS

FRAME OF REFERENCE

Observer

Origin O(0,0, 0) reference point

Cartesian coordinate axes (X, Y, Z)

Unit vectors

Specify the units

[2D] Motion with constant acceleration

When the object is moving with a uniform (constant) acceleration, the equations describing the motion for the time interval t between Event #1 (initial values) and Event #2 (final values) are

time

acceleration

velocity

displacement

vectors

PROJECTILE MOTION

The simplest type of motion in a gravitational field near the surface of the Earth is called projectile motion. As an object of mass m moves near the surface of the Earth, the net force acting on the object is the gravitational force F_G

near the Earths surface

is called the acceleration due to gravity and should be taken as a positive scalar quantity.

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Ian Cooper School of Physics University of Sydney

If you have any feedback, comments, suggestions or corrections please email Ian Cooper

ian.cooper@sydney.edu.au