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what factors does the kinetic energy of an object depend on?
mass and speed
how is gravitational potential energy determined?
mass and hieght
what are the major forms of energy?
mechanical, thermal, chemical, electrical, electromadnetic, and nuclear energy
can energy be converted from one form into anouther?
what energy conversion takes place as an object falls toward earth?
potential turns into kinetic
what are the major renewable sources of energy?
wind, sunlight, water, and heat
what are the major nonrenewable sources of energy?
oil, natural gas, coal, and uranium
when force pulls an object down
why would you you want to use metal rollercoaster tracks than wooden ones?
they are more sturdy an move less
the amount of space, that an object takes up
the apparent displacement of an observed objectdue to an change in the position of the observer
the convex or concave surface of a column of liquid
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