Apparent weight

Question 1

What is the free body diagram?

Answer 1

up is the N force
down is the gravity

Question 2

What equation do you use when the acceleration is upwards?

Answer 2

N − mg = ma

Question 3

What equation do you use when the acceleration is downwards?

Answer 3

N − mg = −ma

Question 4

What equation do you use when the velocity is constant?

Answer 4

N − mg = 0