Home
Class 9
PHYSICS
A person is climbing a ladder with a sui...

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

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    NCERT TAMIL|Exercise THINK AND DISCUSS|11 Videos

  • WORK AND ENERGY

    NCERT TAMIL|Exercise Let us Improve our learning (Higher Order Thinking Questions )|4 Videos

  • UNIVERSE

    NCERT TAMIL|Exercise Problem|2 Videos

Similar Questions

Explore conceptually related problems

A porter moving vertically up the stairs with a suitcase on his head does work. Give reason.

A porter lifts a suitcase weighing 20 kg from the platform and puts it on his head 2.0 m above the platform. Calculate the work done by the porter on the suitcase.

A person brings a mass of 1 kg from infinity to a point P. Initially the mass was at rest but it moves at a speed of 2 ms^(-1) as it reaches at P. The work done by the person on the mass is -3 J. The potential at P is:

A uniform chain of mass m and length l overhangs a table with its two third part on the table. Fine the work to be done by a person to put the hanging part back on the table.

IF you have lifted a suitcase and kept it on a table, then the work done by you will depend on

Three particles, each having a charge of 10 muC , are placed at the vertices of an equilateral triangle of side 10 cm. Find the work done by a person in pulling them apart to infinite separations.

You lift a suitcase from the floor and keep it on a table. The work done by you on the suitcae does not depend on

A block of weight 100 N is slowly slide up on a smooth incline of inclination 37^0 by as person. Calculate the work done by the person in moving the block through a distance of 2.0 m, if the driving force is a. parallel to the incline and b. in the horizontal direction.