A fish rests on the bottom of a bucket of water while the bucket is being weighed on a scale. When the fish begins to swim around, the scale reading changes

True

False

2 points  

QUESTION 14

A total force of 500 N is applied to pull a box on a rough surface along a distance of 60 m. If 1000J of work are done against friction, the total kinetic energy of the box at the end of the trip is:


a. 3000J

b. 20000J

c. 29000J

d. 59000J

e. None of a, b, c and d

Answer rating: 100% (QA)

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