Physics - Unit, Symbol & Equations

Convert 1kg into g

x1000

Convert 1g into kg

/ 1000

Convert 1m into cm

x100

Convert 1cm into m

/ 100

Unit - Distance

Metres

Symbol - Distance

X

Equation - Distance

Speed x time

Unit - Displacement

Metres (m)

Unit - Speed

m/s

Equation - Speed

Speed = distance/time

Unit - Velocity

m/s

Symbol - Velocity

v

Symbol - Time

t

Unit - Time

Seconds (s)

Equation - Time

Distance / speed

Unit - Acceleration

m/s2

2 Equations - Acceleration

• (Final velocity- initial velocity) / time

• W2 x acceleration x distance (s) = v2 - u2

Equation - Acceleration with velocity + time

(Final velocity - initial velocity) / time

Equation - Acceleration with distance

2 x acceleration x distance (s) = v2 - u2

Unit - Force

Newtons (N)

Equation - Force

Mass x acceleration

Equation - Resultant Force

Mass x acceleration

Equation - Mass

Force / acceleration

What equation is linked to Newtons 2nd law?

F = ma

Unit - Mass

Kg

Unit - Weight

Newtons (N)

Equation - Weight

Mass x gravitational field strength

Unit - Gravitational field strength

N/kg

Unit - Energy

Joules (J)

Equation - Work done

Force x distance moved in direction of force

Equation - Kinetic Energy

½ x mass x (speed)2