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Math 1
Math 2
Vocab 1
Vocab 2
Vocab 3
100
What is the acceleration of a 10 kg box sliding across a floor with a net force of 3 N?
3.3 m/s/s
100
If a spring has a k of 900 N/m and a Force of 120 N is applied, how far does the spring stretch?
.13 m
100
The unit of force and weight.
Newton
100
The law that states that every action has an equal and opposite reaction force.
Newton's 3rd
100
F = kx <-- this law
hooke's law
200
If a box starts sliding at 20 m/s and has a mass of 1.6 kg, when will it stop sliding, if there is no friction?
never
200
If a man with a mass of 85 kg hangs from a rope. What must the tension in the rope be?
833 N
200
The force of gravity acting on a mass.
Weight
200
Law that states that objects resist changes in motion, inertia.
Newton's 1st Law
200
k <-- what is this
the spring constant
300
A car drives east, in which direction is friction?
west
300
What force is needed to accelerate a 9 kg box by 2.5 m/s/s?
22.5 N
300
The force perpendicular to a surface.
Normal Force
300
Which law is F = ma
Newton's Second Law
300
The ratio of the force normal to the force that resists motion.
coefficient of static friction
400
As a spring constant goes up, what happens to the spring?
It gets stiffer or stronger.
400
What is the mass of a person that weighs 999 N?
102 kg
400
The sum of forces acting on an object.
net force
400
Force that opposes motion.
friction
400
Friction that keeps objects from moving.
static friction
500
If a space craft with a mass of 480 kg has a weight of 1340 N on Planet X, what is the acceleration of gravity there?
2.8 m/s/s
500
If the coefficient of friction is 0.86, how much force does it take to move a 25 N box?
21.5 N
500
When all forces cancel.
equilibrium
500
Every force has one...
reaction force
500
Friction of motion
sliding or kinetic friction