click below
click below
Normal Size Small Size show me how
Chapter 3 unit 7 qui
Question | Answer |
---|---|
What is newton's first law also known as? | Law of inertia! |
What is it called when an object resists change in motion? | Inertia |
What does acceleration depend on? | Size of the object and the force |
Fn=mass(kg)*acceleration(m/s 2) | 20kg*5m/s 2=100n |
What are the two forces of a pair called? | Action and reaction |
When an object is balanced or not moving,What is the net force? | ZERO! |
What law indicates that a person needs a seatbelt? | Second law |
F=ma | |
For every action there is an equal and opposite reaction | Newton's third law |
F=ma |