Training only a few muscle groups leads to imbalances and an increased risk of injury.

What is the momentum of a 2 kg object moving at 15 meters per second

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v