Any action that has the ability to change motion. (Push/pull)
What is a force?
100
Law of Inertia
What is Newton's 1st Law?
100
a=F/m
What is the formula for acceleration according to Newton's 2nd Law?
100
g or downward acceleration
What is acceleration due to gravity?
100
The amount of matter an object has.
What is mass?
200
An object at rest will remain at rest and an object in motion will remain in motion UNLESS acted on by a force.
What is Newton's 1st Law?
200
The only property that affects an objects inertia.
What is mass?
200
The metric unit of force.
What is a Newton?
200
The change in speed divided by the change in time.
What is acceleration?
200
When an object is accelerating due to the force of gravity and no other forces are acting on it.
What is free fall?
300
9.8 m/s2
What is acceleration due to gravity?
300
Two ways to change acceleration.
What is changes in speed or direction?
300
An object speeding up and an object slowing down.
What are positive acceleration and negative acceleration (deceleration)?
300
An object will accelerate or change directions when a force is applied. F=ma
What is Newton's 2nd Law.
300
For an upward launch, the point at which velocity is zero but acceleration remains constant.
What is the apex?
400
The force that can give a 1 kilogram mass an acceleration of 1m/sec2.
What is a Newton?
400
kg x m/s2
What are the units of a Newton?
400
Causes an object continue to move in the same direction with no change of speed.
What is zero net force?
400
d=Vavg x t
What is free fall distance?
400
=mg
What is weight (Fg)?
500
Sophie pushes on a 30 kilogram box with a force of 13 newtons. Assuming the surface on which the box moves is frictionless, at what rate does the box accelerate?
0.43 m/s2
500
An apple falls from the top of an apple tree. It takes 3 seconds for the apple to fall, how tall is the tree?
44.1 m
500
What is the average speed of a rock thrown downward with an initial speed of 3.7 m/sec that falls for 2 seconds? How far does the ball fall?
23.3 m
500
To support a mass of 2.0 kilograms on Earth requires a force of _________ pounds (1 lb=4.48 N or 1N=0.223 lb).
4.73 lbs
500
What is the weight in newtons of a 18 kilogram dog on Earth?