Moooo-tion
Force
Laws of Motion
Did you know?
Vocabulary
100
Motion involves a change in _______________
POSITION
100
What is a force?
PUSH OR PULL WITH SIZE AND DIRECTION
100
Who came up with the Laws of Motion?
Sir Issac Newton
100
Motion is ___________ to a refernce point
RELATIVE
100
Define reference point
A OBJECT USED TO DESCRIBE YOUR POSITION
200
The difference between the final position and the initial position is _______________
DISTANCE
200
The more mass the __________ its inertia
GREATER
200
What does the first law say?
IF ITS MOVING, IT STAYS MOVING IF ITS RESTING, IT STAYS RESTING
200
More mass = ______ acceleration
LESS ACCELERATION
200
Describe a motion with little friction Describe a motion with lots of friction
LITTLE: ICE SKATING, SMOOTH RAMP LOTS: SANDPAPER, ROUGH RAMP
300
What is the direction and distance between the final position and the starting position called?
DISPLACEMENT
300
What does balanced forces mean?
TWO EQUAL FORCES THAT CANCEL EACH OTHER BECAUSE THEY ARE ACTING IN OPPOSITE DIRECTIONS
300
What does the 2nd law say?
FORCE ACTING IN A DIRECTION CAUSES THE OBJECT TO GO IN THAT DIRECTION
300
Name one way to overcome friction
INCREASE GRAVITY
300
What will happen if your spaghetti structure has unblanced forces?
THE BOOK WITH CRUSH IT, IT WILL FALL
400
How do we find speed?
distance divided by time D/T
400
What is net force?
THE DIFFERENCE BETWEEN TWO FORCES
400
What does the 3rd law say?
FOR EVERY ACTION THERE IS AN EQUAL AND OPPOSITE REACTION
400
How do you calculate acceleration?
FORCE DIVIDED BY MASS F/M
400
Why are Newtons Laws of Motion called "laws"?
THEY APPLY TO OBJECTS EVERYWHERE IN THE UNIVERSE
500
How are distance and displacement different?
DISTANCE: measures a stright-line position change DISPLACEMENT: includes direction and distance of a position change
500
What is the relationship between mass and inertia?
OBJECTS WITH GREATER MASS HAVE GREATER INERTIA
500
What are force pairs?
ACT IN OPPOSITE DIRECTIONS ON DIFFERENT OBJECTS, EQUAL SIZE, DONT CANCEL
500
What are the two force pairs called?
ACTION AND REACTION
500
What is inertia?
TENDENCY TO RESIST CHANGE IN MOTION
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