What is the force of a 1000 kg car as it comes to a final velocity of 0m/s from an initial velocity of 50 m/s in 1 second?

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n