Force

• The force require to make one KG move from rest to a speed of one meter per second in one second is called a Newton. (That was new to me.)
• Force is not needed to move something, but to change its motion.
• A force applied to an object will cause it to accelerate in the direction of the force.
• a=F/m -> F=ma
• So if we know the force on an object, and its mass, then we can tell its acceleration and thus its location over time.
• So, if there is a 2 Newton Force on a 100 kg object that is at rest, its acceleration will be F/m at time 1. That's 2/100 or .02 m/sec^2.
• That means its velocity is .02 at 1s, and if the force continues .04 at 2s.
• What happens if the force is a one off?