vocabulary will be checked for a completion grade!!!!!!! have it out or it is a zero!!!!!!!!!!!!...
TRANSCRIPT
![Page 1: Vocabulary will be checked for a completion grade!!!!!!! Have it out or it is a ZERO!!!!!!!!!!!! Vocab quiz is on the next slide, please be patient as](https://reader035.vdocument.in/reader035/viewer/2022081504/56649d925503460f94a78c9e/html5/thumbnails/1.jpg)
Vocabulary will be checked for a completion grade!!!!!!! Have it out or it is a ZERO!!!!!!!!!!!!
Vocab quiz is on the next slide, please be patient as I walk around and check that you did your vocabulary.
Have a Seat and get out your vocabulary
![Page 2: Vocabulary will be checked for a completion grade!!!!!!! Have it out or it is a ZERO!!!!!!!!!!!! Vocab quiz is on the next slide, please be patient as](https://reader035.vdocument.in/reader035/viewer/2022081504/56649d925503460f94a78c9e/html5/thumbnails/2.jpg)
When the net force on an object is not equal to Zero, the forces are ______________________.
The type of friction of a stationary object is called ____________________.
When an object that is still and wants to remain still, and an object in motion wants to stay in motion, this is describing __________________
9.8m/s2 is the acceleration due to _______________.
When an object if falling and slows down because of the air this is called ____________________________.
The velocity an object reaches when air resistance slows it down is called __________________________.
Vocab Quiz
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Forces!!!
Unit 3 Study Guide
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You are riding in a car and the driver slams on the breaks. Your body leans forward. Why?
Question 1
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A man was pushing a box across the floor and the box started to accelerate. Why did this happen?
Question 2
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A rock was thrown off a cliff and as it landed it did great damage to the car at the bottom of the cliff. Why?
Question 3
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How much force is needed to accelerate a 75 kg rider and her 225 kg motorcycle at 4 m/s2?
Question 4
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What is the velocity of this car?
Question 5
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Newton's second law states that F = m x a (Force is mass times acceleration). Which example would have the LEAST acceleration?
25kg rock pushed with a force of 100N50kg rock pushed with a force of 200N10kg rock pushed with a force of 20N30kg rock pushed with a force of 120N
Question 6
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An astronaut throws a football in space, what happens to the ball and the astronaut?
Question 7
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Consider a situation where you are playing air hockey with a friend. The table shoots small streams of air upward to keep the puck afloat. When you barely tap the puck forward, the puck moves at a constant velocity. What is the purpose of the small streams of air?
Question 8
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When you step out of a boat onto a dock, you move forward and the boat moves backward, what law explains this?
What is the action force?
What is the reaction force?
Question 9
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A high tech camera was dropped from a plane and programmed to take a picture every second and records the altitude at which the pictures are taken, what do the scientists notice about the pictures taken?
Question 10
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What is the weight of a man whose mass is 56kg and he is on earth?
Question 11
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What must occur for a toy car that is at rest to move forward?
Why does a persons weight decrease as they climb a mountain on earth?
Question 12
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What is a change in position called?
Give an example of someone’s velocity.
Give an example of someone’s speed.
Question 13
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A calculator is left on the table in the classroom, when the students return the calculator has not moved, why?
Question 14
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Which statement is true?
Weight is constant no matter where you are.
Mass changes from the earth to the moon
Mass depends on gravity
Weight depends on gravity
Question 15
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In order to maintain constant acceleration, what must happen to the force when the mass is doubled?
What kind of relationship is represented?
Question 16
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A 15 kg book is moved at an acceleration of 4m/s2 , what force is needed to accomplish this?
Question 17
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Which of the following best describes a balanced force?
A ball rolling at a constant velocity
A ball accelerates rolling down a hill
A ball bounces off the rim of the basketball goal
A ball slows down rolling over gravel
Question 18
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What are two examples of forces?
How do forces affect the motion of objects?
Question 19
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Cody and Devin are pushing barrels up a hill, Cody’s barrel has a mass twice that of Devins’. What must Cody do to reach the top of the hill at the same time?
Question 20
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Is the following statement true of false?
A penny falling from the top of the empire state building is going to fall at a constant velocity
Question 21
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Why do all objects accelerate towards the earth?
List 4 types of friction and give an example of each.
Question 22
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Chris and Taylor are pushing on a book that is sitting on a table. Chris is using 10N of force and Taylor is using 7N of force in the opposite direction. Draw a force diagram for the situation and calculate the net force.
Are the forces balanced or unbalanced?
Question 23