One man takes 1 minute to raise a box to a height of 1 m and another man takes 
minute to do so. The energy of the two is
a)
Different
b)
Same
c)
Energy of the first is more
d)
Energy of the second is more
One man takes 1 minute to raise a box to a height of 1 m and another man takes minute to do so. The energy of the two is
a)
Different
b)
Same
c)
Energy of the first is more
d)
Energy of the second is more
Question ID - 51933 | SaraNextGen Top Answer
One man takes 1 minute to raise a box to a height of 1 m and another man takes minute to do so. The energy of the two is
a)
Different
b)
Same
c)
Energy of the first is more
d)
Energy of the second is more
|
One man takes 1 minute to raise a box to a height of 1 m and another man takes |
|||
|
a) |
Different |
b) |
Same |
|
c) |
Energy of the first is more |
d) |
Energy of the second is more |
1 Answer
127 votes
Answer Key / Explanation : (b) -
|
(b) Energy required In both cases, |
is the same. Hence, energy given by both is same. [It is worth noting here that powers of two men will be different as power is the energy expense per unit time and times are different]127 votes
Answer Link
127