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What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?