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MCAT PHYSICS 1
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Newtons 3 laws of motion
1.a body at rest stays at rest, a body in motion stay in motion (straight line) unless outside force acts upon it.
2.F=ma
3.for every force there is an equal and opposite force.
(t/f) a body in translational equilibrium has a net force moving it at a constant velocity
True
False
false, a body at translational equilibrium has zero net force
formula for torque
torque=rFsin
()
when calculating torque, what direction is positive, what is negative
counterclockwise is positive, clockwise is negative
formula for centripetal acceleration
a=v
^{2}
/r
formula for centripetal force
F=ma or F=mv
^{2}
/r
formula for work
W=Fdcos
()
from pressure (isobaric process):
W=P(V
_{f}
-V
_{i}
)
units for work and energy?
joule (kg-m
^{2}
/s
^{2}
)
formula for mechanical kinetic energy? gravitational potential energy?
KE=mv
^{2}
/2
U=mgh
formula for momentum
p=mv
formula for impulse?
delta p or j=Ft=mv-mv
_{0}
formula for center of mass for m
_{1}
and m
_{2}
at x
_{1}
and x
_{2}
X=(m
_{1}
x
_{1}
+m
_{2}
x
_{2}
)/(m
_{1}
+m
_{2}
)
(t/f) kinetic energy is conserved in a completely elastic collision
True
False
true
(t/f) momentum is not conserved in a inelastic collision
True
False
false, momentum is conserved in both elastic and inelastic collisions
formula for heat gained and temperature change
Q=mc(T
_{f}
-T
_{i}
)
c-specific heat
what is heat of fusion
energy required for phase change from solid to liquid
formula for heat gained or lost during phase change
Q=mL
L-heat of transformation
formula for first law of thermodynamic
delta U=heat energy gained-work done by the system
2nd law of thermodynamic
entropy of a closed system will either increase or remain unchanged
density of water
1000 kg/m
^{3}
or 1g/cm
^{3}
formula for pressure
P=F/A
formula for absolute pressure
P=surface pressure+density*gravity*depth
what is gauge pressure
pressure in excess to atmospheric pressure
formula for buoyant force
F
_{b}
=density*g*V
a pipe of varying cross sections, how do fluid velocity and cross section area related?
A
_{1}
V
_{1}
=A
_{2}
V
_{2}
formula for Young's modulus
Y=stress/strain
stress (F/A)
strain (delta L/L)
Coulomb's law
F=kq
_{1}
q
_{2}
/r
^{2}
formula for electric field (E) at a distance (r) from a charge (q)
E=kq/r
^{2}
formula for force that a charge (q) experience in a electric field (E)
F=qE
since E=F/q
unit for electric field
Newton/Coulomb
or Volt/meter
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Author
Anonymous
ID
59679
Card Set
MCAT PHYSICS 1
Description
studying to be a docnform
Updated
2011-01-14T01:28:39Z
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