Laws of Motion 1
Newton made _____laws of motion. ( How many?)
3 Laws
An object in motion remains(stays) in motion or an object at rest remains at rest unless acted upon by a force is which law?
First (1st) Law of Motion
True or False: When you are doing work you make something move.
True
What causes a ball rolling across a rug to slow down and stop.
Friction
For every action there is an equal and opposite reaction is which law?
Third (3rd) Law of Motion
Which takes the most work (energy) to lift: a book, a desk, a pencil
a desk
False
Which Law? If you are riding a skateboard and you suddenly hit a branch lying across the path, the skateboard will stop, but you will keep moving forward!
First (1st) Law of Motion
Heavy and light go together in the same way that push and ___go together.
Pull
True or False: According to Newton's third law, forces always occur in an equal and opposite direction
True
The acceleration of an object depends on the FORCE exerted on it and its MASS which law is this?
Third (3rd) Law of Motion
What takes the least work?
-carrying a heavy thing
-carrying a light thing
carrying a light thing
True or False: Acceleration depends on mass and amount of force applied.
True
It is easier to push an empty shopping cart than a full one because more force is required to move more mass is which law?
True or False:
Machines do not make work easier and faster.
False