Newton's Laws of Motion
A person standing on ice has a mass of 80 kg. His friend pushes him and is now accelerating at 8 m/s^2. What is the force of the push?
640 N
How much force is needed to get a roller coaster car with a mass of 1,300 kg moving to an acceleration of 15 m/s2?
19,500 N
When a diver jumps off a diving board into a pool, she pushes down on the diving board. The diving board then pushes up against her, launching her into the air. Which law of motion is this describing?
Newton's 3rd Law of Motion