Test 1 Flashcards
(41 cards)
two vector in the same direction are?
added
vector forces what is a vector
magnitude and direction
vetor on a graph
arwow starting at the origin or a rectangular graph
throw a ball at some degree what is the vertical component
y is the vertical velocity
newtons 2nd law
f = m*a
3rd law newton
an object in motion stays in motion
define inertia
the tendency of an object to resist a change in state
weight hangs from ceiling pull slow what happens
upper string breaks
pull fast
lower string breaks
car accident you hit the window which of newtons laws
1st law
staticcoefficient of friction
until you over come frictionn you wont move
biceps muscle what does all the force do
keep the joint fixed and move the load or hand
potential energy
stored energy
kinetic energy
energy in motion or mass times velocity
what is the formula for momentum
mass times velocity
define work
force times distance
work is not a unit of what?
Power
Torque
Force * Distance
Torque is what kind of motion
Rotational
women’s center of gravity
through hips
for men the cog is
2 inches higher
1st class lever
tertoter
2nd class
fulcrom load action wheel barrow
3rd order
force in middle biceps