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MECHANICS

Newton's First Law of Motion: Inertia

Linear Motion

Newton's Second Law: Force and Acceleration

Newton's Third Law: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Newton's First Law of Motion: Inertia

Linear Motion

Newton's Second Law: Force and Acceleration

Newton's Third Law: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Rotational Motion

Angular velocity, angular acceleration, torque, and moment of inertia.

Speed ω (rad/s)

0.0

Spider radius (px)

60

Mosquito radius (px)

150

Values

ω=0.00 rad/s\omega = 0.00\,\mathrm{rad/s}Spider: r=60 px,v=ωr=0.0 px/s,ac=ω2r=0.0 px/s2r = 60\,\mathrm{px},\quad v = \omega r = 0.0\,\mathrm{px/s},\quad a_c = \omega^2 r = 0.0\,\mathrm{px/s}^2Mosquito: r=150 px,v=ωr=0.0 px/s,ac=ω2r=0.0 px/s2r = 150\,\mathrm{px},\quad v = \omega r = 0.0\,\mathrm{px/s},\quad a_c = \omega^2 r = 0.0\,\mathrm{px/s}^2

Equations

v=ωrv = \omega rac=ω2ra_c = \omega^2 r

All points rotate with the same angular velocity.

Points farther from the center move faster.