Question

In which of the following cases is no work done?
a. A wieghtlifter lifts a barbell
b. A wieghtlifter holds a barbell overhead
c. A wieghtlifter slowly lowers a barbell
d. A wieghtlifter drops a barbell and the barbell falls to the ground

Answer 1

Explanation:

what is the figure of speech

efk-iaut-owo

Answer 2

Question:-

In which of the following cases is no work done?

a. A wieghtlifter lifts a barbell

b. A wieghtlifter holds a barbell overhead

c. A wieghtlifter slowly lowers a barbell

d. A wieghtlifter drops a barbell and the barbell falls to the ground

Correct answer:-

b. A wieghtlifter holds a barbell overhead.

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