Read the directions for the beginning of each section.
Vocabulary - Matching // Match each word to its definition.
Required
5 points
5
Question 1
1.
Match each word to its definition.
Draggable item
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Corresponding Item
Friction
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a push or a pull on an object
Gravity
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a force that a person or thing applies to an object
Inertia
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a force that opposes motion between 2 surfaces that are in contact
Applied Force
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the tendency of an object to remain at rest or in motion
Force
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the force of attraction between 2 objects with mass
Required
5 points
5
Question 2
2.
Match each word to its definition.
Draggable item
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Corresponding Item
Velocity
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how fast something is traveling
The unit for speed
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how fast something is traveling in a given direction
Speed
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a change in velocity
The unit for acceleration
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meters / second
Acceleration
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meters / second 2
Required
5 points
5
Question 3
3.
Match each simple machine to its description.
Draggable item
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Corresponding Item
Wedge
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a simple machine made out of a grooved wheel with a rope or cable around it
Inclined Plane
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a simple machine made out of 2 circular or cylindrical objects fastened together that rotate around a fixed point
Pulley
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a flat, sloped surface
Lever
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a device that is thick at one end and tapers to a thin edge at the other
Wheel & Axle
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a rigid bar that is free to pivot or rotate on a fixed point
Required
5 points
5
Question 4
4.
Match each word to its definition.
Draggable item
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Corresponding Item
Power
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the ability to do work or cause a change
Potential Energy
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completed when the object moves in the same direction in which the force is exerted
Work
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the amount of work done per unit of time
Energy
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the energy of matter in motion
Kinetic Energy
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stored energy due to position, composition, or condition
Newton's Laws of Motion // Sort the statements into the correct category.
Required
6 points
6
Question 5
5.
Sort each item into the correct category. Every item will be used one time.
You jump on a trampoline which will push back on you and force you into the air for a few seconds.
Soccer ball will stay on the floor until someone kicks it.
Force = Mass x Acceleration
Also known as the Law of Inertia.
For every action there is an equal and opposite action.
If you use a greater force to kick a soccer ball it will move faster.
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
Speed, Distance, and Time Graphs // Select the best answer choice.
Required
1 point
1
Question 6
6.
What is the object in this graph doing?
Required
1 point
1
Question 7
7.
What is the object in this graph doing?
Required
1 point
1
Question 8
8.
What is the object in this graph doing?
Required
1 point
1
Question 9
9.
What is the object in this graph doing?
Required
1 point
1
Question 10
10.
What is the object in this graph doing?
Required
1 point
1
Question 11
11.
Ziae and Zadyn went out cycling one day. The graph below shows how far they travelled during their ride. During what part of the journey was Ziae and Zadyn stationary?
Required
1 point
1
Question 12
12.
During what part of the journey were Ziae and Zadyn moving the fastest?
Required
1 point
1
Question 13
13.
Between 2 and 4 seconds, the object is
Required
1 point
1
Question 14
14.
Between 5 and 6 seconds, the object is
Solve the problem using the correct formula. Select the best answer choice.
Required
1 point
1
Question 15
15.
What is the speedof a car that traveled a total of 75 kilometers in 1.5 hours?
Required
1 point
1
Question 16
16.
What is the velocity of a plane that traveled 3,000 miles west from New York to California In 5.0 hours?
Required
1 point
1
Question 17
17.
It took 3.5 hours for a train to travel the distance between two cities at a speed of 110 miles/hr. What is the distance between the two cities?
Required
1 point
1
Question 18
18.
A vehicle brakes from 30 mph to 5 mph over a period of 10 seconds. What is the
vehicle's acceleration?
Required
1 point
1
Question 19
19.
Calculate the work performed when a 25 N force pushes a 30 Kg crate a distance of 40 m
Required
1 point
1
Question 20
20.
Calculate the power of an object with a force of 76000 N moves a distance of 6 meters in 14 seconds.
Required
1 point
1
Question 21
21.
A 97 kg box is pushed across the floor with a force of 162 N. What is the acceleration?
Required
1 point
1
Question 22
22.
What is the force of a 450 kg mass with an acceleration of 27 m/s2 ?
Required
1 point
1
Question 23
23.
A toy car has a velocity of 4 m/s and a mass of 1.1 kg. What is its kinetic energy?
Kinetic vs. Potential Energy
Required
6 points
6
Question 24
24.
Sort each example into the correct category. Each item will be used one time.
A soccer ball sitting on the top shelf in the garage
A roller coaster at the top of its highest hill
A basketball swishing through the net of the hoop
Apples hanging in an apple tree
A stretched rubber band
A roller coaster at the bottom of its highest hill.
Kinetic energy
Potential energy
Required
1 point
1
Question 25
25.
A semi-truck and a regular car are traveling the same speed on the highway. The semi-truck will have less kinetic energy than the car.
Required
1 point
1
Question 26
26.
At what point does the object have the most potential energy?
