The distinction between mass and weight was discovered after Jean Richer transpo

Question

The distinction between mass and weight was discovered after Jean Richer transported pendulum clocks from Paris, France, to Cayenne, French Guiana in 1671. He found that they quite systematically ran slower in Cayenne that in Paris. The effect was reversed when the clocks returned to Paris. How much weight would a 66.0 kg person lose in traveling from Paris, where g = 9.8095 m/s2, to Cayenne, where g = 9.7808 m/s2?

The force exerted by the wind on the sails of a sailboat is Fsail = 460 N north. The water exerts a force of Fkeel = 250 N east. If the boat (including its crew) has a mass of 250 kg, what are the magnitude and direction of its acceleration?

Explanation / Answer

1) weight in paris = 65* 9.8095 = 637.6175 N

weight in Cayenne = 65*9.7808 = 635.752N

2)Magnitude of net force = 523.55 N

Acceleration = 2.1 m/s^2

Direction = 61.5 degrees

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