Which of these is a scalar quantity?

a. acceleration

b. displacement

c. length

d. velocity

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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?

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?