Using the word work can you explain how a force like friction would cause the roller coaster to loose energy over time?

Here is the definition
Work is a done when a force (caused by energy) causes an object to move

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

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explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

v 154.9= 0.9 length length s little over 154.9cm

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