Newton's Laws
Vocabulary
Forces
Speed,Velocity & Acceleration
Formula Application
100
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an outside force. Name this Law.
What is Newton's First Law?
100
How fast an object is traveling
Speed
100
Is a push a force?
Yes
100
The formula for speed
What is distance ÷ time?
100
If you traveled 100 miles in 2 hours, what was your speed?
50 mi/hour
200
Force = Mass x Acceleration. Name this Law
What is Newton's Second Law?
200
Speed of an object in a certain direction
Velocity
200
If an equal force acts on a pencil and a stack of text books, which one will have GREATER acceleration?
Pencil
200
The formula for velocity.
What is displacement ÷ time?
200
What is the momentum of a 5,500 kg elephant charging at a velocity of 2 m/s
11,000 kg m/s
300
Every action has an equal and opposite reaction. Name this Law
What is Newton's Third Law?
300
Attraction between all matter
Gravity
300
Gravity is NOT force. True or False?
False - gravity IS a force.
300
If I am slowing down in the car, is that acceleration?
YES
300
The velocity of a crow is 10 m/s west. How long did it take the crow to travel 200 meters west?
20 seconds
400
Wearing seat belts to protect passengers when a car stops quickly is an example of which law?
Newton's First Law
400
The rate at which velocity (direction or speed) changes over time
Acceleration
400
This force resists gravity for falling objects.
What is air resistance?
400
Describe what is happening on the red segment.
The object is negatively accelerating.
400
A 1,000 g ball is traveling at 20 m/s What is its momentum?
20 kg m/s
500
If I am sitting in my chair, gravity pushes down on me. What is the opposite and equal force in this scenario?
The chair pushing UP on me/normal force
500
An objects ability to stay at rest or stay in motion.
Inertia
500
What type of force slows down a skateboarder when they put their foot down to brake?
Friction
500
Turning a corner is an example of acceleration. True or False
True
500
A car traveling 25 miles per hour slams on the breaks for a deer and screeches to a stop over 0.003 hours. (~10 sec) What was the acceleration?
-8333.33 miles per hour2