Choose ONE ANSWER. While lifting a barbell over your head (just the lifting part

Question

Choose ONE ANSWER. While lifting a barbell over your head (just the lifting part, not the lowering part that inexorably follows) the change in gravitational energy...

a) is zero

b) is greater than the magnitude of the change in chemical energy

c) is equal to than the magnitude of the change in chemical energy

d) is less than the magnitude of the change in chemical energy

a) is zero

b) is greater than the magnitude of the change in chemical energy

c) is equal to than the magnitude of the change in chemical energy

d) is less than the magnitude of the change in chemical energy

Explanation / Answer

While lifting a barbell on over head the work done is zero. So the optio (a) is correct

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.