Terminology
Newton's 3 Laws
Calculating Work
Labs
Simple Machines
100
A push or a pull on an object is called a
Force
100
When you and a friend run at each other holding big yoga balls - Tell which of Newton's laws will be the result
Action = Reaction
Third Law
100
What is the correct formula to calculate work?
W = Fxd
100
What did you find increased air resistance in your Egg Drop Lab
Parachute
100
A go kart is an example of which simple machine
Wheel and Axel
200
Give 2 examples of a non contact force
Gravity, Magnets
200
When a person tips their car on its side and tries to push it back onto all 4 wheels it does not move even when they run at it. Which law does this apply to?
Second Law
Force = Mass x Acceleration
200
Tell the units for each
Work
Force
Distance
Joules
Newtons
Meters
200
Explain why astronauts always appear to bounce on the moon
Less gravity so the same force = farther distance
200
Tell what the spiral hot wheels ramp is an example of
Screw
300
The tendency of an object to stay at rest when at rest
Inertia
300
When we did the demo of two water bottles and taking the bill out from between them. Which law did this showcase?
Newton's first law - Law of Inertia
300
A box is pushed with the a force of 10 N and the box travels 5 meters. What is the total work?
50J
300
Give an example of when we want to increase Friction
Brakes, cleats, better tires traction
300
Your arm is an example of this simple machine
Lever
400
Name the 3 types of Friction
Sliding
Rolling
Fluid
400
Give an example of Newton's second law
Answers may vary
F= ma
400
A student does 600J of work by kicking a soccer ball. The ball moved 20m. How much force was exerted?
30N
400
Is the image on the board balanced or unbalanced and tell which direction it will go
Balanced - No direction
400
Give a machine that has 3 simple machines built into it and tell which simple machines do what
Combine
screw (auger)
inclined plane (feeder belts into combine)
wheel and axle (gears and wheels)
500
What is another word for air resistance
drag
500
Tell what Newton's Third Law is and give an example showing force arrows
Every Action has an equal and opposite reaction
500
Tim exerted a force of 400 newtons on a box but was unable to move it. How much work was done?
OJ
500
Which simple machine reduced the force needed to lift the weight the most?
Pulley
500
What simple machines are in this picture.
Inclined plane
Wheel and Axle
Pulley