Efficient movement

Efficient movement is the movements with least

Work done by muscles when they actively shorten is called

Power is

Energy cannot be created or destroyed but it can be

The greater the distance an object is raised above the floor, the more________it possesses.

when the velocity of the movement is increased, the body part will possess an increase______energy

X is the resisting force that arises when one body moves or tends to move across the surface of another

If two systems are in contact and moving relative to one another, it is called

If two systems are in contact while objects are stationary, it is called

The greater the contact force on an object and the rougher the contacting surfaces