What do unbalanced forces cause concerning speed?

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Answer 1 · 2018-02-15T17:29:10

Unbalanced forces cause acceleration and acceleration causes a change in speed.

Net force, #F_"net"#, is another name for unbalanced force. Newton's 2nd Law is often expressed

#F_"net" = m*a#.

Rearranged to move a (for acceleration) to the left of the =

#a = F_"net"/m#

And this is how acceleration affects speed

#V = u + a*t#

I hope this helps,
Steve