Show:
Newton 1
Newton 2 & 3
Simple Machines
Misc
Mixed Up
100
A pull or push that acts on an object
Force
100
If a force is applied to an object. The ___ will change.
Velocity
100
Name three of the six types of simple machines.
levers, wheels and axles, pulley, inclined plane, wedge, screw.
100
Using force to move an object.
work
100
The force that a second object returns to the first object.
reaction
200
The tendency of an object to resist a change in its state of motion.
Inertia
200
The relationship between acceleration and mass is ____
Inverse
200
A pair of scissors would be...
lever
200
A device with few moving parts that makes work easier.
simple machine
200
Which Law: Every action has an equal but opposite reaction
Newton's 3rd Law
300
Without a force to stop or slow a coasting object. It would coast forever in a ____ Line.
Straight
300
The formula for acceleration is
a = F/m
300
An ax would be considered a
Wedge
300
The balance point of a lever
Fulcrum
300
Which Law: Objects at rest will remain at rest until a force acts on them.
Newton's 1st law
400
Speed of a moving object with direction.
Velocity
400
When the forces cancel each other out. They are...
Balanced (forces)
400
The top of a bottle of pop is a
Screw
400
The part of a lever you apply force to.
effort(input) arm.
400
Which law: a=F/m
Newton's 2nd Law
500
What are two ways Velocity can change?
speed and direction
500
If an object is accelerating it must have ____ forces.
Unbalanced
500
How does a pulley make work easier?
Change direction of force.
500
How would you experience a change in acceleration in a car?
You would be pressed back against the seat if speeding up. Pulled forward if slowing down.
500
Describe the forces that would cause a balloon to inflate?
The force of the air inside the balloon is greater than the force of the plastic.