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Mass is the amount of matter in an object; weight is the force exerted on an object due to gravity.
How many kilograms is a cow on a trailer if 1200 newtons of force are acting on it?
Tension can best be called ____.
Three beams are 10 feet long each and all of the same size. One is made of wood, another of steel, and the third of concrete. If identical loads are applied to these three beams, which of the following will happen?
The steel beam will deflect less than the wood beam.
Which of the following situations requires overcoming the least amount of kinetic friction?
Pushing an empty refrigerator box down an icy path
Which of the following is the basis for Pascal’s Law?
The amplification of force in a hydraulic system.
When a machine compounds the force you use, it gives you a(n) ____.
Gears are used to ____.
Both change rotational speed and direction of force