At 0 seconds a car was moving at a speed of 90 m/s. After 5 seconds, its speed increased to 190 m/s. What was the acceleration during this time?
Equation:
Acceleration = velocity / time
A= (vf - vi)/t
Solve the following vector questions by adding or subtracting the vector arrows
Write a Paragraph.
A) What is acceleration?
B) What is negative and positive acceleration?
C) Explain one example of an object negatively accelerating and one example of an object positively accelerating. (4-6 sentences).
Categorize the following examples with the correct word(s): positive acceleration, negative acceleration, or no acceleration.
The goldfish swims at the same constant speed in a straight line
The ball increases speed as it rolls down the ramp
The F1 car turns in circles as it goes around the track
The bicyclist slowed down as it approached the yield sign
Positive acceleration
Negative acceleration
No acceleration
The speed of an object at a specific moment in time is called...
A car drives at a speed of 30 mph in the first hour, then 20 mph in the second hour. 25 mph would be the cars _______________ speed.
Velocity, force, and acceleration are vector measurements because they have both magnitude and ________.
A plane is traveling at a speed of 800 miles per hour from the airport to New York. New York is East from Los Angeles. Which of the following represents the planes velocity?
What are the units for velocity?
What are the units for acceleration?
What are the units for force?
What is constant speed?
Smith walked from his house to the store (Target). Then to the gym. Then back to his house.
A) Draw the displacement line from Smith's starting position to the store (Target).
B) Draw a total distance line in a different color to mark Smit's full travel.
Smith walked from his house to the store (Target) in a straight path. In this problem, displacement and distance are the same. Why is distance the same as displacement in this case? (1-2 full sentences)
Smith leaves his house and heads to the park. After the park Smith goes to the gym and then home. In this problem, the displacement is 0 m/s. Why is the displacement zero in this case? (1-2 full sentences)
Categorize the following examples with the correct word (s): velocity, speed, or acceleration.
The shark sped up and took a sharp turn to eat try to eat the man
Mr. Guesno traveled 20 m/s North to go to the store to meet Sair's friend Chamoy Face.
The fish swam 20 miles/hour
Speed
Velocity
acceleration
Resolve the vector quantities
Make sure to include units
What did you learn so far: Choose one of the following topics and write a paragraph about your topic. Explain the important details about your your topic. Which topic did you choose? What is it? Are there calculations or special rules - if so, what are they? How is this topic useful and why is it important? (4-5 Sentences)
Topics:
Velocity
Force
Displacement
Acceleration
Reference Point
Which of the following objects is accelerating?
What is happening in this graph from point A to B?
Which graph shows the object standing still?
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
The picture of the position vs. time graph shows an object that is...
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
Which section of the graph shows constant velocity?
How fast is this object going at 1 second?
Select the description of motion from A - B.
Describe the motion from B - C.
At what point is the speed the greatest?
What is this graph showing?
A rocket started at rest. After initiating the launch, it had an acceleration of 1,000 m/s2. How long did it take to reach a speed of 56,700 m/s?
A= (vf - vi)/t
If a 24kg bird is pushed by the wind with a force of 76 N, how fast does the bird accelerate?
* N = kg x m/s2
Force = mass x acceleration
F = m x a
What is the acceleration of a 890 kg object pushed with a force of 9000 newtons?
* N = kg x m/s2
Force = mass x acceleration
F = m x a
What is the NET Force?
A) What is the resulting net force amount and direction?
B) How do you know, rather explain how you determined this?
If the guy is pushing the box with a force of 25 N, and the friction force on the box is 15 N, what is the Net force he is pushing the box?
What is the Net force and what will happen in this scenario?
The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?
Match description with free-body diagram.
Draw the free body diagrams for the three scenarios being presented.
Scenario one: An egg is free-falling from a nest in a tree. Neglect air resistance. Diagram the forces acting on the egg as it is falling.
Scenario two: A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.
Scenario three: A rightward force is applied to a book in order to move it across a desk with a rightward acceleration. Consider frictional forces. Neglect air resistance. Diagram the forces acting on the book.
What force is missing
What is the NET FORCE of this diagram?
Name the missing force...
Name the missing force...
Name the missing force...
Name the missing force...
Name the missing force...
A hockey puck glides to the right across the ice at a constant speed. Ignore air resistance.
What is the direction of the APPLIED force?
