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Definition of net force
Sum of all forces acting on an object
What do the time and distance graphs we use represent?
Experiment
Weathering
Breakdown of rocks
Independent variable
Variable that changes because of the scientist
Unbalanced force
Two unequal forces acting on an object with change in motion
Solve for speed(math)
distance divided by time
To move an object to the left which side needs a greater net force?
left
constant variable
stays the same
Balanced forces
Two equal forces acting on an object with no change in motion
solve for force
f=ma
If we have many independent variables can an experiment work?
no
Dependent variable
The variable that measures data
------>80n-------->130n
210n
How can you make your project replicable?
Detailed notes
What is an observation
Using your five senses to collect data
repetition
conducting trials on an experiment
100n-------><---------75n
25n
How do you know which numbers mean what on a graph?
the labels
In an experiment we have three plants being watered with different liquids to see which grows the best. What are the constants.
Type of plant, type of soil, type of pot, light exposure, amount of liquid
Replication
Carrying out someone else experiment to improve validity