Newton's 2nd Law - Force
Definition: A Force is a push or pull exerted on an object.
Equation: Force = Mass x Acceleration
F = M x A
A = F/M
M = F/A
1 Newton = 1kgm/s²
Math Solution: A speedboat pulls a 80kg water-skier. The skier accelerates at 5.0 m/s². Calculate the net force that causes this acceleration.
Answer: F = M x A, so 80kg x 5m/s² = 400kgm/s² = 400 Newtons