Calculate the force it would take to accelerate a 250 kg motorcycle at a rate of 5 m/s2

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?

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion