🛠️ JEE🧲 Physics

Identify the correct statements from the following: A. Work done by a person in lifting a bucket out of a well by means …

Q1

Identify the correct statements from the following:
A. Work done by a person in lifting a bucket out of a well by means of a rope tied to the bucket is negative.
B. Work done by gravitational force in lifting a bucket out of a well by a rope tied to the bucket is negative.
C. Work done by friction on a body sliding down an inclined plane is positive.
D. Work done by an applied force on a body moving on a rough horizontal plane with uniform velocity is zero.
E. Work done by the air resistance on an oscillating pendulum is negative.

Choose the correct answer from the options given below:

[JEE Main 2023, 29 Jan (Shift 2)]

a

B and E only

b

A and C only

c

B, D and E only

d

B and D only

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