Newtons Laws
Balanced or Unbalanced!!
Vocabulary
True or False
Something Else
100
How many laws are there?
3
100
What are the two types of forces??
Balanced and unbalanced!
100
What is force?
A push or pull exerted on a object.
100
TRUE OR FALSE: There are two types of forces.
TRUE
100
Newton's 3rd law of motion describes
Action- Reaction forces
200
Which law states that the objects motion remains the same unless a force acts on the object???
Newtons 1st Law of Motion
200
When forces are ___________ there is no change in motion.
Balanced
200
What is inertia??
The tendency of an object to resist any change in tis motion.
200
TRUE OR FALSE: There are four laws of motion.
false, there are only three newtons laws
200
What does friction do to a baseball player sliding into homebase?
Slows the player down, eventually to a stop.
300
Which law of motion best describes the following: In space, if you throw a ball, it will continue moving unless another force acts on it.
FIRST LAW OF MOTION
300
When a force acts an object and the object does not move....
Balanced
300
What unit do we measure force in ?
Newtons
300
TRUE OR FALSE: Usually less than one force is acting an object at a time.
False, more than one force....
300
A wagon has a mass of 80kg. To accelerate it at 0.5 m/s through a park, what force must you apply to the wagon?
40 N
400
Which law is also called the law of action reaction?
3rd Law of Motion
400
Produces a net force greater than zero
Unbalanced!!!!
400
What is a reference point?
The starting point you choose to describe the location or position of an object
400
TRUE OR FALSE: The product of all the forces acting on an object is net force.
False, the sum
400
An angry person punches the wall with a force of 250 N. How much force is the wall exerting back on the angry person?
250 N
500
Which law of motion best describes the following: A firefighter is pushed backwards when the water hose is turned on.
THIRD LAW OF MOTION
500
The object acted on moves in the direction of the greater force....
Unbalanced
500
The over all force on an object when all the individual forces acting on it added together is the.....
Net Force!
500
TRUE OR FALSE: The nick name for Newtons 1st law is law of Inertia.
True
500
A ball with a mass of 0.7 kg is kicked with a force of 49 N. What will be the acceleration of the ball? 
70 m/s2