Formulae

Question 1

What does F = T - W mean and in what units

Answer 1

Force = Thrust - Weight

All in Newtons

Question 2

What does W=mg mean and in what units

Answer 2

Weight = Mass x Gravity

Weight is in Newtons, mass is in Kilograms and Gravitational Field Strength is in Nk

Question 3

How to convert from years to seconds and vice versa

Answer 3

Years -> Seconds: Multiply the number of years by 60x60x24x365.25

To turn Seconds into years divide by 60x60x24x365.25

Question 4

What does F= ma stand for and what units

Answer 4

Force (N) = mass (kg) x acceleration (ms-2)