Physics Forces and Newton’s Laws: Friction, Inclines, and Circular Motion

horizontal/vertical components

force vectors

angles

sq rt of F

tan^-1 (y/x)

a=F/m

angled applied force

FN horizontal surface

mg+Fsinθ

kinematics

deceleration

stopping distance

sliding object

vf^2=v0^2 + 2aΔx

μ=a/g

pulley connected blocks

sliding down/up

μs=m2/m1

μs < __

sled rope

F and T

T/F = rear/rear+front

dropped object

air resistance

acceleration

mg-F air=ma

blocks touching

total mass

applied/constant force

a=F/m

F=m_Ba

elevator scale

apparent weight %

upwards - greater weight

downwards - lesser weight

inclined plane

sliding down/up

a=g(sinθ - μkcosθ) OR a=g(sinθ + μkcosθ)

pulley

inclined plane

fs=mg(1-sinθ) OR fs=mg(1-cosθ)

rotating cylinder w/ fs

v=√rg/μ

ratio of planets

F new/F earth = mass ratio (weight)/(r)^2

top of path

radius

weightlessness

semi-circle

r=v^2/g

ball rope

vertical circle

bottom/top

T-mg=mv^2/r