IB SL Physics Unit 2.2: Mechanics - Forces

Newton’s First Law: the law of ______

inertia

(Newton’s First Law) _______ is dependant on ___

inertia mass

Newton’s Second Law: the law of

acceleration

(Newton’s Second Law) equation:

F=ma

Newton’s Third Law: the law of

force pair

(Newton’s Third Law): statement

for every action there is an equal and opposite reaction

two types of friction: _____ ______, ______

kinetic (dynamic) static

F_N = _______ Force

normal

force 90° to the surface an object is on

normal force

F_g = _

R (reactionary force)

how to find reactionary force (R)

mass * gravity

F_NET = ____ force

net

the sum of all forces is ____ force

net

translational equilibrium: what is equal to zero?

net force

study the equations for inclined planes!!

okay

for a ________ use the equation

a=(fg2-fg1)/(m1+m2)

or a=f__/__

pulley net a