A man weighing 50 Kg carries a load of 10 Kg to the top of the building in 4 minutes. the work done by the man is 6×104J. If he carries the same load in 8 minutes, the work done by the man will be :
1.5×104 J
3×104 J
6×104 J
12×104 J
A
3×104 J
B
1.5×104 J
C
6×104 J
D
12×104 J
Open in App
Solution
Verified by Toppr
Work done. does not depend on time hence will be equal.
Was this answer helpful?
8
Similar Questions
Q1
A man weighing 50 Kg carries a load of 10 Kg to the top of the building in 4 minutes. the work done by the man is 6×104J. If he carries the same load in 8 minutes, the work done by the man will be :
View Solution
Q2
A man weighing 49kg carries a bag of 2 kg. He climbs to the top of a building 100m tall in 5 minutes. Calculate the work done by the man and the power he develops.
View Solution
Q3
Smith weighing 30 kg carries a load of 10 kg and travels a distance of 100 m in a straight line.
Saloni weighing 40 kg goes up 100 m by climbing steps.
The work done by Smith and Saloni of them respectively will be
View Solution
Q4
A man weighing 70 kg carries a weight of 10 kg to top of a tower 100 m high. Calculate the work done by the man
View Solution
Q5
Find the power expended if the work done by a man in 1 minute is 120 J.