a 75kg man walks up a flight of 10 steps, each 10 cm high. calculate the work done if g=10m/s². (3 with explanation)
Answers
Answered by
10
To Find :-
- The work done by a man.
Solution :-
- Mass (m) = 75 kg
- Total height gained (h) = 10 × 10 cm → 100 cm → 1 m
- Acceleration due to gravity (g) = 10 m/s²
Now,
Work done by a man,
W = mgh
Where,
- W → Work done by a man
- m → Mass of a man
- g → Acceleration due to gravity
- h → height of a man
[ Put the values ]
W = 75 × 10 × 1
W = 75 × 10
W = 750 joule
Therefore,
The work done by a man is 750 J.
Answered by
13
Explanation:
Given:-
Mass=75kg
Total height gained =10×10=100cm=1m
G=10m/s^2
To find:-
The work done by the man=W
Solution:-
As we know that
Similar questions