Describe how the forces around an object can cause movement.

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Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration. The SI unit for force is the Newton.

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

the increase of protons   hope this