Why don’t planets travel in a straight line

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?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

In what direction does an applied force move an object