Unit+2+-+Newton's+2nd+Law

=Newton's Second Law of Motion:=

[|Forces Explanation]

Force = Mass x Acceleration
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[|Newton's Second Law Explanation]
 * Newton's Second Law Tutorials:**

According to Newton's second law...

 * ==Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).== ||

What does this mean?
Everyone unconsciously knows the Second Law. Everyone knows that heavier objects require more force to move the same distance as lighter objects.
 * [[image:http://teachertech.rice.edu/Participants/louviere/Newton/kickbrick.gif align="center"]] || [[image:http://teachertech.rice.edu/Participants/louviere/Newton/ouch.gif align="center"]] ||
 * [[image:http://teachertech.rice.edu/Participants/louviere/Newton/kicksoccer.gif align="center"]] || [[image:http://teachertech.rice.edu/Participants/louviere/Newton/fun.gif align="center"]] ||

However, the Second Law gives us an exact relationship between force, mass, and acceleration. It can be expressed as a mathematical equation:


or FORCE = MASS times ACCELERATION

This is an example of how Newton's Second Law works:
Mike's car, which weighs 1,000 kg, is out of gas. Mike is trying to push the car to a gas station, and he makes the car go 0.05 m/s/s. Using Newton's Second Law, you can compute how much force Mike is applying to the car.

Answer = 50 newtons

=What are Newton's?= Newtons are the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second.

[|How to Calculate Force]

[|See How Mass Affects The Movement of an Object]