Show:
forces
speed
friction
Newton's laws
energy
100
Theis is push or pull
What is force
100
Speed is __________ over time
What is distance
100
Give an example of friction
(any good answer)
100
for every ____________ there is an equal and opposite reaction
What is action
100
If you hold your pencil still up in the air, it has ___________ energy
What is potential
200
this force slows things down with rubbing
What is friction
200
Speed is distance over ___________
What is time
200
friction is basically________
What is rubbing
200
for every action there is an equal and opposite _________
What is reaction
200
If your car is still at the top of the ramp, it has _____________energy
What is potential
300
This force pulls matter down to earth
What is gravity
300
If friction acts on an object its speed will__________
slow down
300
True or false: we need friction to move
True
300
Tell the story of how Newton discovered gravity?
(apple fell on his head...)
300
If your pencil is falling, it has_____________ energy
What is kinetic (possible both potential and kinetic)
400
When an object is not moving the forces are______
What is balanced
400
free points!
get free points!
400
True or false: Our cars would ot have moved without friction
True: We need friction between wheels and ramp for it to move
400
An object in motion will stay in motion if the forces are ______________
What is balanced
400
If your car is speeding down the ramp, it has _________ energy
What is kinetic (possibly both potential and kinetic)
500
An object starts to ove when forces are___________
What is unbalanced
500
How could we have increased the speed of our cars?
(ex-make ramp higher, make less friction)...any good answer
500
Name something that helps you with friction
ex- shoe treads, tire treads
500
free points!
Get free Points
500
Free points
get free points!