Vocab
A place or object used for comparison to determine whether an object is in motion. Is the definition of what vocab word?
Reference Point
How do we measure force (the unit)?
Newtons
If I was in a car driving down the road and a tree was set as the reference point, would the tree see me in motion?
Yes
A unit of measurement that equals the force required to accelerate 1 kilogram of mass at 1 meter per second. What vocab word is this definition describing?
Newton
Name the force that keep the planet in orbit around the sun and makes objects roll downhill.
Gravity
When an object’s distance from another object is changing it must be….
In motion
Define Gravity.
The attractive force between objects; the force that moves objects downhill.
How does force affect motion?
It changes it. (Speeds up, slows down, stops or changes direction).
A child is riding in a wagon. What reference point might have been used if an observer said the child was not in motion?
wheels, wagon itself, shoes on the child, any toys, the handle, etc.
In relation or in proportion to something else. What vocab word matches this definition?
Relative
What are the two types of forces we will focus on?
Push and Pull
Which of these scenarios depict an object in motion?
1.) Child on a skateboard with the wheels as a reference point
2.) A bowling ball going down the isle as the thrower as a reference point
3.) A cyclist riding down the road with their watch as the reference point
2
Define Motion.
The state in which an objects distance from another is changing.
Who created the 3 laws of force we will discuss later?
Isaac Newton
Would a rider on a coast be in motion to the passenger behind them? Why/why not?
No, their distance apart is not changing