Force
Point of View
Kinds of Force
Surprise!
100
Definition of force
What is a push or pull
100
What is frame of reference?
Everything around you that can be used to describe a motion.
100
What is Gravity?
A force that pulls all objects towards each other.
100
What is needed to make an object change its motion?
Force
200
What tool measures force?
What is a spring scale.
200
How do you know a runner is in motion?
The runner and the things around the runner keep changing positions/frame of reference.
200
What two elements affect the force of gravity?
The force of gravity depends on how far apart the two objects are and each objects mass.
200
A larger force causes which: a larger or smaller acceleration?
Larger Acceleration
300
What is the name of the SI unit of force?
What is a newton
300
What is speed?
Speed is a measure of an object's change in position during a unit of time.
300
What is weight?
A measure of the force of gravity on an object.
300
When you are at a soccer game from a seat near the field, your seat and all the things around you are what?
Frame of Reference
400
If two people are having an arm wrestling match and they are using the same amount of force what will happen?
No one will win, their arms will not move.
400
Give two frames of reference from which to describe a riding on a school bus.
The Bus, the street, the cars, other students.
400
What is friction?
Friction is a force that keeps objects that are touching each other from sliding past one another.
400
How does force affect acceleration?
The more force you apply the larger the acceleration.
500
What scientist formulated his theory of gravity when an apple hit his head?
Issac Newton
500
A runner has a speed of 3 feet per second. In 35 Seconds how far can the runner run?
105
500
If a person lived on Earth had a mass of 100 pounds moved to Jupiter what would happen to that persons mass?
Their mass would increase because the mass of Jupiter is bigger than the mass of Earth.
500
Which will have more force: Two students pushing a snowball or Four Students pushing a snowball?
Four Students pushing a snowball.
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