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Chemical energy from the person's muscles is turned into potential energy.
Friction and air resistance cause some of the mechanical energy of an object to change to thermal energy so the mechanical energy of the object is not destroyed. Rather, it is transformed into thermal energy. the total amount of energy always stays the same. ur welcome. you have to give me 5 bucks.
Friction is produced and kinetic energy is used
A person parachuting from a plane has already acquired potential energy by rising to whatever altitude the plane is at-this energy has been obtained from the fuel used by the plane. This energy is then turned into kinetic energy as a result of the earth's gravitational attraction, and the parachutist goes into freefall. Braking the speed of fall to make a safe landing, the kinetic energy is returned to the air which is slowing the parachute. The net change when the person lands is zero.
lung sound in a person with pleural friction
His muscles gets hot as they turn chemical energy into kinetic energy. Kinetic energy turns into heat in the bearings and the brakes on the bike due to friction.
First it's chemical energy from eaten food that turns into heat, a little bit of kinetic energy and potential energy(pushing the bike uphill). Then it's potential energy turning into kinetic energy and a little bit of heat, along with some further chemical energy being used up.(coasting down)
FRICTION is the energy generated when two bodies have some physical interaction with each other. GRAVITY is the force of a mass which pulls an object towards its center. *Friction produces heat but not Gravity
These are a few of the great many advantages and disadvantages of having friction in sport: Friction allows a running person to stop, change direction, jump, catch a ball, and throw a ball. Friction between a ball and the air limits how far it can be thrown (although gravity has an even greater effect). Runners require energy to overcome the friction between their feet and the ground.
possibly,yes!
Friction slows things down thus the spin of one is slowed.
A person can wear moisture wicking socks which decrease friction. Friction between the foot and the shoe is what creates the blister after running .