Question

a man of 65 kg climbs up a tree 65 m high.calculate the work done.​

Answer 1

Explanation:

w = mgh

= 65 × 10 × 65

= 4225 J

Answer 2

To Find :-

• The work done by a man.

Solution :-

• Mass of a man (m) = 65 kg
• Height (h) = 65 m
• Acceleration due to gravity (g) = 10 m/s²

Work done by a man,

$\red\bigstar$ W = mgh

Where,

• W → Work done
• m → Mass
• g → Acceleration due to gravity
• h → height

[ Put the values ]

$\longrightarrow$ W = 65 × 10 × 65

$\longrightarrow$ W = 650 × 65

$\longrightarrow$ W = 42250 Joule $\green\bigstar$

Therefore,

The work done by a man is 42250 J.