Physics, 28.01.2020 15:04 Franky7035
simple machines make work easier. most simple machines reduce the amount of effort force needed to move an object. this cart has a set of wheels. the wheels are actually simple machines: the wheel and axle. how can we change these wheels to decrease the amount of effort force needed to move the wagon?
a) use a larger wheel and axle.
b) make the radius of the axle larger in diameter.
c) make the radius of the wheel larger in diameter.
d) make the radius of the wheel smaller in diameter.
Answers: 1
Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
Physics, 22.06.2019 21:30
Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created
Answers: 3
simple machines make work easier. most simple machines reduce the amount of effort force needed to m...
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