forces
formulas
Misc.
vocabulary
laws
100
a force of attraction between objects
What is gravity
100
force divided by mass =
acceleration
100
Which law is also known as the Law of inertia?
Newton's 1st law
100
the motion of a body when only the force of gravity is acting on it
free fall
100
my seatbelt kept me in my seat when the car came to an abrupt stop
What is an example of Newton's first law
200
the force that opposes the motion of objects through the air.
air resistance
200
What are the units for force?
Newtons
200
How is momentum calculated?
mass x velocity
200
the tendency of an object to resist changes in motion
inertia
200
the basketball player jumped into the air to slam dunk the ball
What is an example of Newton's third law
300
forces that cancel each other out
balanced forces
300
How much force does it take to accelerate a 30 kg object, if the object accelerates at 2 m/s?
60 Newtons
300
any scientist who studies motion and forces
Who is a Physicist
300
combination of all the forces acting on an object
net force
300
the race car accelerated off the starting line
What is an example of Newton's second law
400
forces that can move an object
unbalanced forces
400
What is the momentum of a 100 kg object that has a velocity of 5 m/s?
500 kg x m/s
400
Conservation of momentum can be explained by which one of Newton's laws?
Newton's third law
400
the curved path of a thrown object
projectile motion
400
the downward force of a rocket's boosters blast the rocket up off the launch pad
What is an example of Newton's third law
500
a force that opposes motion and slows down objects
friction
500
A marble at rest is dropped from a tall building. What is the marble's velocity after it has fallen for 4 secs?
39.2 m/s
500
Action/Reaction forces act on the same object. True or False?
False
500
The fastest speed that an object can fall. It occurs when the forces of air resistance and gravity are equal and opposite.
terminal velocity
500
the tennis ball hit the net (an unbalanced force) and fell to the court surface
What is an example of Newton's first law
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