Force and motlon


Force We now wish to define the unit of force. We know that a force can cause the acceleration of a body. Thus, we shall define the unit of force in terms of the acceleration that a force gives to a standard reference body. As the standard body, we shall use (or rather imagine that we use) the …

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Force and motion

Force and motion On April 4, 1974, John Massis of Belgium managed to move two passenger cars belonging to New York’s Long stand Railroad. He did so by clamping his teeth down on a bit that was attached to the cars with a rope an . then leaning backward while pressing his feet against the rail  ties. The cars together weighed about 80 …

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