Newton's laws

• First law:

  If the resultant force on a stationary object is zero, the object will remain stationary. If the resultant force on a moving object is zero, it'll just carry on moving at the same velocity

  basically: a force is needed to change motion
• second law:

  the larger the resultant force the more the object accelerates, so the force and the acceleration

  An object with a larger mass will accelerate less than one with a smaller mass

  Resultant force (N) = mass (kg) x Acceleration (m/s) squared
• third law:

  when two objects interact the forces they exert on eachother are equal and opposite