Aconstraint-based modeler is used to create a gear cluster assembly by inserting modeled bicycle gear cogs and spacers onto a splined hub. axial and radial alignment of the elements is critical to maintaining an accurate model. define a sensible base point to use when adding individual cogs (gears) to the assembly.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference