Definition
Define Collision
Between 2 objects
What object and example collisions did we start our unit with?
Cell phones/cell phone collisions
The more kinetic energy should result in higher ___ ____ which should lead to more ______.
1) Peak Forces
2) Damage
More Mass or More speed = ????
More kinetic Energy
A rubber ball briefly flattens when it hits the floor. What does it mean for an object to deform?
It changes its shape.
Define Deform
When an object bends or changes shape
What is the Kinetic Energy Increased
______ and ___ resistance can affect a moving object's kinetic energy
2) Air
All objects have ??????
And elastic limit and/or a breaking point
What is an object’s elastic limit?
The limit beyond which a change in shape is permanent
The maximum amount of force or deformation an object can withstand
What is Elastic Limit
What is air made of?
What is small particles
Forces are applied on both objects in equal _____ and ______ ______ during a collision
1) Strength
2) Opposite Direction
The higher the kinetic energy ???????
the more likely an object can get damaged
What does a free-body diagram show?
Forces on one object, with arrows for direction and strength
Define a force
What is the push or pull on an object
What are the 3 collision types?
Type A - Moving colliding with motionless
Type B - Motionless colliding with Moving
Type C - Moving colliding with Moving
Concussions can result in breaks in the ____ of neurons (structure)
Axon
How does material affect a collision?
The durability of the material = amount of damage
A scholar drops a ceramic mug. What type collision is this?
Type A collision.
The variable in an experiment that stays the same
What is the control variable
What is 2 examples of the constraints
How it looks
Reuseable
Size
Cost
Type of materials avaliable
1) Air
2) Particles
What is happening to the air particles when they collide with the cart?
They speed up and gain kinetic energy
A moving cart has zero net (total) force on it. It keeps moving at the same speed in the same direction. What Newton's Law is this?
Newton's First Law.