Physics, 11.01.2021 17:30, anonymous1813

A girl and a boy pull in opposite directions on strings attached to each end of a spring balance. Each child exerts a force of 20N. What will the reading on the spring balance be? 20 N 10 N 40 N 0 N

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A girl and a boy pull in opposite directions on strings attached to each end of a spring balance. Ea...