What is the difference between the motion of a pendulum of a clock and the motion of a football in a penalty kick
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[tex][/tex] what is the difference between the motion of a pendulum clock and the motion of a football in a penalty kick?
PENDULUM
A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is a harmonic oscillator: It swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates.
FOOTBALL IN A PENALTY KICK
A penalty kick (commonly known as a penalty or a PK) is a method of restarting play in association football, in which a player is allowed to take a single shot on the goal while it is defended only by the opposing team's goalkeeper. It is awarded when a foul punishable by a direct free kick is committed by a player in their own penalty area. The shot is taken from the penalty mark, which is 11 m (12 yards) from the goal line and centred between the touch lines.