Question

A 50 Kg man with a 20kg load on his
head climbs up 50 stairs. The height of each
Stair is 50 cm, calculate the amount of
work done​

Answer 1

I hope it helps you my friend

Answer 2

➤ Answer

• Work done by the man = 4900 Joule.

➤ Given

• Mass of load = 20kg.
• Height of each stair = 50cm.
• Number of stairs = 50.

➤ To Find

• Total amount of work done by the man.

➤ Step By Step Explanation

Given ⤵

• Mass of load ( m ) = 20kg.
• Height of each stair = 50cm.
• Number of stairs = 50.

We need to find the total work done by the man.

➠ Formula

$\maltese \underline{\boxed{ \green{ \sf{Work \: Done = mgh}}}}$

➠ By substituting the values

M = 20 kg.

G = 9.8

H = 50 × 50 => 2500 cm or 25 meters.

$\longmapsto\tt Work \: Done = 20 \times 9.8 \times 25 \\ \\\longmapsto\tt Work \: Done = 4900J$

➵ Therefore, Work done by the man = 4900 Joule.

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