physics idk

formula and unit for speed

a and v=d/t

formula and unit accelaration

v and m/s²

formula and unit force

N and F=ma (accelaration)

formula and unit weight

N and W=mg

formula and unit work done

joules and W=Fxd

formula and unit power

W and P=W/t (work done and time)/ energy tranferred per time

formula and unit kinetic energy

joules and Ek=1/2 (mv²)

formula and unit gravitational potential energy

joules and Ep=mgh (gfs)

formula and unit moment

joules and moment=force x perpendicular distance

accelaration due to gravity

9.8m/s²

formula and unit density

kg/m³ and p=m/v

formula and unit pressure

pascal and P=F/a

formula and unit wave

speed and v=f ^

formula and unit refraction

sin i/sin r

formula and unit refractive index

speed of light in vacuum/speed of light in medium

formula and unit potential energy

PE=mgh (acceleration due to gravity)

formula and unit gravitational potential energy

joules and mgh

P1V1=P2V2

formula and unit efficiency

useful power output/total power output x 100

gfs on earth

9.8N/kg

draw semicircle smaller angle

draw semicircle larger angle

memorise table for lenses

inverse and direct relationship

area under speed time graph

which energy sources dont need the sun

geothermal, tidal, nuclear

force per unit area

convection

• Boyle’s Law (Pressure-Volume Relationship)

  P1V1=P2V2P_1V_1 = P_2V_2P1​V1​=P2​V2​

  • P1,P2=P1​,P2​ = Pressures (Pa)

  • V1,V2V_1, V_2V1​,V2​ = Volumes (m³)

• Charles' Law (Volume-Temperature Relationship)

  V1T1​​=T2​V2​​

  • V1,V2V_1, V_2V1​,V2​ = Volumes (m³)

  • T1,T2T_1, T_2T1​,T2​ = Temperatures (K)