Newton's Laws
Which law is it.....
If you are riding in the car and a deer comes out in front of you, your parents hit the brakes. You being jerked forward is an example of which law of motion?
1st Law of motion
What is the formula to calculate force?
Force = mass x acceleration
What is the formula for Calculating Work?
Work = Force x Distance
What is the formula to calculate power?
Power = Work/time
What is the basic building block of life?
Cell
Which law is it......
Carrying an empty book bag is easier than carrying a book bag filled with a 20lb weight.
2nd Law
A force is defined as a what?
Push or Pull
If you move a 500 newton crate 5 meters, how much work have you done?
2,500 Joules
How much power will you have if you did 200J of work in 20 seconds?
10 Watts
A bunch of cells form together to create what? (Think what you blow your nose with.)
Tissue
Which Law is it......
A rocket has a bunch of gas fire out of the bottom of the rocket. This then pushes the rocket up into space.
3rd Law of Motion
What are the 4 types of frictional force? (Need all 4)
Sliding, Rolling, Fluid, and Static Friction
If you did 6,000 Joules of work to move a 100 newton crate, how far did you move the crate?
60 meters
1,500 Joules
A bunch of tissues form together to create a what? (Think of what your heart is.)
Organ
Which Law is it....
A rock falling down from a cliff suddenly stops when it hits the ground.
1st Law
Weight is a force that we can calculate. What is the formula for calculating Weight?
Weight = Mass x Gravity
What is the weight of a box that you moved 10 meters and used 50 Joules of work?
If a motor has 200 watts of power and did 2000 Joules of work, how long was it running for?
10 seconds
A bunch of organs put together create a what?
Organ System
Who was the person who came up with the 3 laws of motion? (Need first and last name)
Sir Isaac Newton
What is the force of gravity here on Earth?
Gravity on Earth is equal to 9.8m/s2
If you are standing in line holding 10N worth of groceries for 5 minutes, how much work did you do?
None, because you are not moving.
What are two ways to increase power? (Need both for full points)
Increase the amount of work done in the same amount of time.
Decrease the amount of time it takes to do the work work.
Multiple organ systems form a what?
Organism