You need to move a heavy box that has a mass of 50 kg. How much force must you apply to accelerate the box at 0.5 m/s/s?

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

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?

What kind of simple machine is a catapult?