Question

ional energy
3. A person is climbing a ladder with a suitcase on his head. Then the work done by that
person on that suitcase is
( ]
a) Positive
b) Negative
c) Zero
d) Can not be defined​

Answer 1

Answer:

Option (a) Positive

Explanation:

1. As the person climbs a ladder, he also inevitably applies a force on the suitcase as well.

2. As he moves up the ladder, the Suitcase does too and has a non-zero displacement

3. As he does this, a positive force and displacement is observed.

4. As w = f x s, a positive work is done on the suitcase.