Methadone is now being used as an analgesic, as well as a maintenance drug for heroin withdrawal.
Answer:
An object in motion will stay in motion unless acted upon.
Explanation:
Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
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Push ups, because it's likely that you'd do push ups in gym. You must have balance to do them.