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This is a formula sheet that I used for my Final Exam in Physics 218 which is equivalent to Physics 101.
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Given: vavg=^ Δx Δt ∆^ x=v^ ∙^ ∆t^ aavg=^ Δv Δt
vxf =ax Δt+ v (^) x 0 xf =^12 ax ( Δt )^2 +vx 0 Δt+xi vxf^2 −v (^2) x 0 = 2 a ( (^) ∆ x ) v (^) yf =ax Δt + v (^) y 0 y= 12 ay ( Δt )^2 + v (^) y 0 Δt + y (^) v (^) yf^2 −v (^) y^2 0 = 2 a ( (^) ∆ y ) Fg=Fw=mg ∑ ⃗F=m ⃗a= Δ Δt^ ⃗p
⃗ p=m ⃗v F ⃑ ∙ ∆ t=m ∙ ∆ v p= p ' ma va +mb vb =ma v^ '^ a +mb v^ 'b
μ= (^) FFNf Ff ≤ μs FN Ff =μk FN KE= 12 m v^2 PEgrav =mgh Emec =KE+PE Wtot= ΔKE W =Fx Δx +F (^) y Δy W (^) grav=−mgΔy Δ Emec=W (^) NC
W (^) spring=− 21 k x^2 f^ + 12 k x 02 PEspring= 12 k x^2
Fc= m r∙^ v 2 ac= v r^2 =r ω^2 Fg=G m^1 r^ m 2 2 PEgrav =G m^1 r^ m 2 g=^ GM r 2 vorb=√❑ τ =± F ∙r ∙ sin sin θ=F × d