In this activity, students perform a lateral arm raise and use the information to calculate their one repetition maximum (1RM). The accompanying calculator uses seven different...
A rocket will launch and keep speeding up as long as the force pushing it upwards (thrust) is greater than the forces pulling and pushing it...
In this activity, students model a biceps curl using a lever system. The model measures the force in the biceps muscle when the forearm is carrying...
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