Laws of Motion
What Law of Motion is this?
"An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force."
Newtons First Law of Motion
8 miles
What is Gravity?
A force that pulls us to earth.
Finish the sentence,
Energy can not be...
... created or destroyed.
What Law of Motion applies to the situation?
When you are walking, you push on the ground and it pushes back on you.
Newton's Third Law of Motion
If you run 3.5 miles in 35 minutes how fast are you running?
10mph
True or False without gravity we would not be affected.
False
What is the transfer of energy?
Work
What Law of Motion applies to the situation?
A book at rest will not move unless acted on by an outside force.
Newton's First Law of Motion
If your car is going 67mph for 4 hours how far did you drive?
268 miles
Who is the man who discovered the laws of gravity?
Sir Issac Newton
Give two examples of electrical energy.
Batteries, computers, TV, dollar panels, ect.
What Law of Motion is this?
"Whenever one object exerts a force on another object, the second object exerts an equal and opposite on the first."
Newton's Third Law of Motion
40 minutes
Fill in the blank
The force of gravity between two objects depends on the _____ of the two objects and the ________ distance between them.
masses, force
What do you measure energy in?
Joules
What is Newtons 2nd Law of Motion?
The acceleration of an object depends on the mass of the object and the amount of force applied.
1 hour and 22 min
(1.38 hours)
if you dripped a feather and a hammer on the moon, which will hit the ground first?
They will hit at the same time.
Explain how a roller coaster uses energy.
It gains potential energy as it goes up the hill, and then loses it as it gains kinetic energy as it goes down the hill.