Question

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CBSE Test Paper 01
Chapter 6 Work Energy & Power
1. A 0.800-kg ball is tied to the end of a string 1.60 m long
and swung in a vertical circle. Calculate the total work
done on the ball by (i) the tension in the string and (11)
gravity for motion along the semicircle from the lowest to
the highest point on the path. 1
a. 0, -281 J
b. 0,-251 J
c. 0, -2.51 J
d. 0, -25.1 J​

Answer 1

Answer:

c) 0, -25.1J

Explanation:

the highest point on the path