Question

Name the physical quantity that essentially varies as a body moves

Answer 1

Physical quantity that essentially varies as a body moves is its position.

Momentum(p=mv) is the property of every  moving object so the momentum of the body also changes.(mass is constant)

Answer 2

Physical quantity which essentially varies as the body moves its position.

EXPLANATION:

Speed, Momentum, centre of gravity, distance (if speed), displacement (if velocity), Kinetic energy (gain or loss), Potential energy (gain or loss).

Physical quantity that essentially varies as a body moves its position.Speed is distance travelled per unit time. S.I unit of speed is meter/ second (ms-1).  

Momentum is mass in motion, which is product of the "mass and velocity" of an object. The center of gravity is the point of action of the entire weight of an object.

Distance is “how much ground that an object has covered” during the motion of body. ‘Displacement’ is “how far the place of an object is”. It refers to change in position of overall objects.

The “SI unit of distance and displacement” is meter. Potential energy is the energy which is possessed by the body’s virtue of the position of body and Kinetic energy is energy which is possessed due to the body's motion virtue.