Analyzing Force and Motion
Relating Force, Mass, and Acceleration
Vocab
Identify the Force
Random
100
If a car is parked would it's net force be positive, negative, or zero?
Zero
100
What is the equation used to represent force?
Fnet=m x a
100
____ is a force that opposes motion between two surfaces that are in contact.
Friction
100
What force is pulling the weights down?
Gravity
100
Name the three forms of stress.
tension, shear stress, and compression
200
If a car slows down is it's acceleration, positive, negative or zero?
Negative
200
What happens to the acceleration of an object if its net force doubles?
Its acceleration doubles
200
In science, a ___ is a push or a pull exerted by one object on another.
Force
200
What force is stopping the weights from falling?
The string/tension
200
If a car crashed into a wall what would be the reaction force?
The wall stopping the car
300
If a car starts to slow down is its net force positive, negative, or zero?
Negative
300
What happens to the acceleration of an object if its mass increases slightly?
Its acceleration decreases slightly
300
A supporting force that is perpendicular to a surface, that has an upward force, is called ___ ___.
Normal Force
300
What force is the arrow pointing to the left representing?
Friction
300
If a car speeds up then is its acceleration positive, negative, or zero?
Positive
400
If a car is going forward at a constant speed then is it's acceleration positive, negative, or zero?
Zero
400
What happens to the acceleration of an object if its mass decreases slightly?
Its acceleration increases slightly
400
The ___ ___ on an object is the vector sum of all external forces acting on it.
Net Force
400
What force is keeping the box from going through the table?
Normal Force
400
If Shrek and Donkey jumped out of a tree which one would hit the ground first and why?
Shrek because his mass is bigger than Donkey's.
500
If a car turns at a constant speed would its velocity be positive, negative, or zero?
Positive
500
What happens to the acceleration of an object if its mass doubles?
The acceleration halves
500
Action-reaction force pairs occur between adjacent particles and are, together, called ____.
Stress
500
What form of stress is being represented here?
Compression
500
Whose presentation was better?
Evan and Andrews