Vocab 1
What is the formula for speed?
S=D/T
In addition to displacement, this is also needed to calculate velocity. (2 words)
Time interval
Inertia relates to which law?
1st
A car accelerates uniformly from rest to 65 mph in 0.32 min. Determine the acceleration of the car.
1.51 m/s2
Can an object possess State of Motion at rest? (0m/s) Yes or No
Yes
Give an example of uniform acceleration
-constant net force, velocity increases or decreases by the same amount each second
A quantity that describes how fast an object is moving and in which direction
Velocity
What is Newton's 3rd Law?
When 2 objects interact, they apply forces to each other of equal magitude and opposite direction
How much force is required to accelerate a large truck with a mass of4,500 kg at a rate of 2.5 m/s2
11,250 N
Describe how speed and velocity are similar and different
Velocity accounts for direction and displacement
The rate at which velocity is changing
acceleration
An object's velocity increases or decreases by the same amount each second while a constant net force is present. You could say the object has ...
Uniform Acceleration
What is Newton's first law?
An object in motion stays in motion unless acted upon by an unbalanced force
The top speed of the jet is 1,544 mph. At this speed. how far does the jet fly in 10 minutes
414,049m or 257mi
Who was the fastest in the class?
Leo!
The state of an object characterized by possessing a particular speed in a particular direction
State of motion
The laws the summarize the behavior of objects with mass
Laws of Motion
One law has an equation in it. State the law AND the equation
2nd, F=MA
Hummingbirds can accelerate at over 27m/s. What force is needed to accelerate a 3.0g hummingbird?
0.081N
Pick a scientist (Aristotle, Galileo, or Newton) and write a few sentences on what they did, observed, discovered, etc.
Variable
A Greek word meaning purpose, goal, or end
Telos
A property of all matter that causes matter to prefer its present state of motion
Inertia
Give an example of EACH of Newton's Laws
1.
2.
3.
Calculate the acceleration of a 125g mass being acted upon by a force of 13.5 kN
108,000 m/s2
What is the formula for displacement
Delta x = xf - xi