Vocabulary
Chapter 2-
Chapter 3-
Chapter 2 Equations and Math
Chapter 3 equations and Math
100
speed
distance an object travels per unit of time
100
distance/time
What is the formula for speed?
100
yes
If two different weight objects are falling from the same height at exactly the same time, will they hit the ground at the same time?
100
200m/20s=10m/s
What is the speed of an object that that moved 200m in 20s?
100
acceleration=net force/mass
What is the equation for acceleration according to Newton's Second Law of Motion?
200
friction
force that opposes the sliding motion between two touching surfaces
200
displacement/time
What is the equation used to calculate velocity?
200
static, sliding, and rolling
What are three types of friction?
200
100m
What is the distance an object traveled if its speed was 10m/s and it traveled the distance in 10s?
200
200m/s squared
What is the acceleration of an object with a net force of 20,000N and a mass of 100 kg?
300
instantaneous speed
speed of an object at a given point in time
300
9.8m/s^2
Weight=mass*g, what is g?
300
Their masses and the distance between them
What does the amount of gravitational force between two objects depend on?
300
2m/s squared
What is the acceleration of an object who's change in velocity was 40m/s in 20s?
300
weight=mass X acceleration of gravity
What is the equation for weight?
400
inertia
resistance of an object to change in its motion
400
final velocity-initial velocity/time
What is the equation used to calculate acceleration?
400
p=mv
What is the equation for momentum?
400
100m/s-25m/s ____________=15m/s squared 5s
What is the acceleration of an object who's final velocity is 100m/s but it's initial velocity is 25m/s and it happens 5s?
400
75 kg X 9.8m/s squared= 735N
What is the weight of an object with a mass of 75 kg?
500
centripetal acceleration
acceleration of an object toward the center of a curved or circular path
500
Displacement is the exact distance and direction of an object's position from the starting point but distance is just how far the object moves to get from the starting point to where it's going.
What is the difference between distance and displacement?
500
To every action force, there is an equal and opposite reaction force.
What is Newton's Third Law of Motion?
500
60 miles
How far does a car travel in 30 minutes if it is moving at a constant speed of 2 miles/min.?
500
300 kg*m/s
What is the momentum of an object with a mass of 60 kg and a velocity of 5m/s?
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