1st Law: A still rock, a rocket travelling in a straight line through space, a ball rolling down a hill, a still building , a glider flying ahead, a skier skiiing straight down the hill, 2nd Law: kicking a still ball, changing the direction of a moving ball, stopping a ball, braking a car, accelerating a bike, one side pulling harder in a tug-o-war, 3rd Law: ball bouncing off a wall, ball bouncing off the ground, sitting down on a chair, a cannon firing a cannon ball, pushing against a stationary wall, a stalemate tug-o-war,

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