How much force is needed to accelerate a 1.5 kg physics book to an acceleration of 6
m/s^2?

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

More solar radiation is absorbed by earth’s surface than by

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?