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51 Cards in this Set
- Front
- Back
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ANy change in an objects velocity is cause by: |
an unbalanced force |
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a force that opposes the motion between two objects is: |
friction |
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newton's first law states: |
an object at rest or in motion will remain at rest or in motion until an unbalanced force acts upon it law of inertia |
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a measure of inertia is an objects: |
mass |
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net force equals zero. the object will: |
stop |
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newtons second law equasion: |
f=ma |
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acceleration is caused by: |
an unbalanced force |
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acceleration is ------ proportional to the force applied |
directly |
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newton's third law |
action and reaction forces |
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equasions(Newton's laws of motions) |
f=ma p=mv w=mg p=mv ft=mvf-mvi m1v1+m2v2=m1v3+m2v4 m1v1+m2v2=(m1+m2)v3 |
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an object speeding up is: |
accelerating |
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an object accelerating due to gravity is in: |
freefall |
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an object slowing down is |
decelerating |
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acceleration due to gravity is |
-9.8m/s^2 abbreviated g downward acceleration |
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terminal velocity occurs when: |
force of gravity equals force of air resistance |
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the SI unit for mass is |
kg |
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the SI unit for weight is |
newton |
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final velocity equasion |
vf=vi+gt |
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distance equasion |
d=vavg*t |
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time equasion |
t=vf-vi/g |
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average velocity equasion |
vavg=vf+vi/2 |
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distance in the y direction |
dy=1/2gt |
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time again |
square root of 2dy/g |
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force of gravity |
w=mg |
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velocity in the x direction |
vx=d/t |
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distance in the x direction |
vx*t |
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distance in the y direction |
1/2gt^2 |
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time(3) |
square root of 2dy/g |
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gravitational force |
depends on the distance between and the mass of the objects, is an attracting force, pulls things together |
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electromagnetic force |
depends on distance and magnetic intensity attracting/repelling force opposites attract similiar repel |
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scientist associated with gradualism and uniformatarianism |
hutton |
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scientist who first proposed continental drift |
wegener |
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supercontinent |
pangea |
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its gonna be ok |
you got this |
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fossils that support the continental drift theory |
mesosaurus and glossopteris |
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earth's core is made of |
iron and nickel |
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crust and upper mantle |
lithosphere |
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techtonic plates float on |
asthenosphere |
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plates meet at a |
boundary |
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mapped ocean floor using |
sonar waves |
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molten material forms new ocean floor |
sea floor spreading |
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mountain range in ocean |
mid ocean ridge |
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magnetic field reversal is |
flip flop of the field |
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moving outward from the midocean ridge rock becomes |
older |
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vibrations in the earth are |
earthquakes |
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use p and s waves to determine |
epicenter |
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point inside the Earth where earthquake originates |
focus |
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viscosity affected by |
water content temp silica content |
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sources of energy that make plates move |
convection heat decay of radioactive isotopes |
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formation of volcanoes occur at |
hot spots and divergent boundaries |
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rock cycle |
magma cools into igneous igneous melts into lava or through weathering and erosion becomes sediment. metamorphic rock through weathering and erosion also becomes sediment which can be turned into sedimentary rock from cementation. sedimentary rock can turn into metamorphic rock through heat and pressure. metamorphic rock can melt back into lava. igneous rock introduced to heat and pressure can turn into metamorphic rock. |
