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Newton's 3 Laws
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Gravity
Key Concepts:
Terms in this set (24)
state Newton's 1st law
an object at rest or an object in motion will stay in motion unless an acted upon by an outside force
another name for Newton's 1st law
Law of Inertia
state Newton's 2nd law
The more mass an object has the more force that is needed to accelerate it
The less mass an object has the less force that is needed to accelerate it
the formula for Newton's second law
F= m x a
how can you increase the acceleration of an object?
increase the force
What can you do to mass to increase the acceleration of an object?
decrease the mass
state Newton's third law
every action has an equal and opposite reaction
define inertia
the tendency of an object to resist a change in motion
state the law: ( you run into a friend while bicycling and both of you fall in opposite directions?)
Newton's 3rd law of motion
state the law: ( an iPhone is left on the table overnight and is there when you return the next day?
Newton's 1st law of motion
state the law: ( a soccer ball kicked flies farther than pingpong hit with a paddle)
Newton's 2nd law of motion
state the law: ( a rocket propels gas particles out of the back of the rocket and is able to travel forward through space)
Newton's third law
state the law: ( a balloon flies forward when air quickly escapes from it)
Newton's 3rd law
state the law: ( a bowling ball continues to roll until it hits something)
Newton's first law
state the law: ( the journal left under your desk is still there when you get to class tomorrow)
Newton's 1st law
state the law: (a tennis ball hit with a tennis raquet flies farther than a tennis ball hit will a spoon)
Newton's 2nd law
PREDICT WHAT HAPPENS: ( you leave a sucker on the desk and there is no one else in the classroom, where will the sucker be next period?)
on the desk
PREDICT WHAT HAPPENS: ( if you let the air out of the balloon, what will happen to the balloon?)
balloon will fly away in opposite direction
PREDICT WHAT HAPPENS: (two students slam into each other in the hallway at full speed, what will happen?)
they each exert a force on each other and fall in opposite directions
PREDICT WHAT HAPPENS: ( the motorcycle you are riding stops quickly. What happens to you?)
you keep going forward
PREDICT WHAT HAPPENS: ( you are floating in space where there isn't gravity. What will happen?)
you keep floating unless you come in contact with an object
which has more momentum.......
A pitbull or a mouse running with the same velocity
pitbull because it has more mass
which has more momentum......
A student weighing 55 kg running in the hall or a student weighing 55 kg walking to class?
the student running because their velocity is greater
According to Newton's third law: If you kick a ball, then....
the ball will put an equal and opposite force on your foot.
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