True or false (correct the false statement)
a)magnets attract magnetic materials and repel non...
True or false (correct the false statement)
a)magnets attract magnetic materials and repel non-magnetic materials.
b)magnets can attracts all metals
c)magnetic attraction is a pull and magnetic repulsion is a push
d)if one end of a rod is attracted by magnet, one can conclude that the rod is a magnet.
e)Steel can be used to make an electromagnet
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Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle
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To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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