Show:
1
2
3
4
5
100
VOCAB -- force that results when 2 materials rub against each other
friction
100
What force keeps a satellite in orbit?
gravity
100
VOCAB -- a device that changes the direction or amount of effort needed to do work
machine
100
VOCAB -- the push or pull on an object
force
100
VOCAB -- the energy used when a force moves an object
work
200
VOCAB -- made up of 2 or more simple machine
complex machine
200
VOCAB -- combination of all forces acting on an object
net force
200
which complex machine uses mainly burning fuel?
car
200
VOCAB -- when an object resists any change in motion
inertia
200
VOCAB -- how strong a force is
magnitude
300
VOCAB -- which way a force is acting
direction
300
VOCAB -- when forces acting on an object are balanced
equilibrium
300
When it comes to magnetic and electric forces, what do opposite charges do? BONUS: what do the same forces do?
attract BONUS: repel
300
VOCAB -- the speed at which work is done
power
300
What type of motion does a pendulum have?
periodic
400
VOCAB -- unit work is measured in
joules
400
VOCAB -- the rate at which the velocity of an object changes over time
acceleration
400
VOCAB -- the speed and direction of an object's motion
velocity
400
VOCAB -- unit power is measured in
watts
400
What is another name for Newton's third law?
Action-Reaction Law (of motion)
500
Finish the statement: 'for every action, there is...' BONUS: What Newton's Law is this?
'an equal and opposite reaction' BONUS: third law
500
Finish the statement: 'Objects at rest stay at rest and....' BONUS: What Newton's Law is this?
'objects in motion stay in motion.' BONUS: first law
500
What are the 5 types of motion?
variable, constant, vibrational circular, periodic
500
How do electricity and magnetism act on different objects?
push or pull objects
500
A train travels 100 miles north in 4 hours. What is the velocity of the train?
25 mph/north