Science, asked by PMMODIINDIA, 10 months ago

What is the work done by stairs when you climb up the stairs..... Your weight is 10 kg and you have to climb up 5 stairs each of height 50 cm.....

Answers

Answered by riya27042001

Answer:

Explanation:

height of each stair=50cm=0.5m

height of 5 stairs=2.5 m

work done by us=mgh=10*2.5*10=250 joules

PMMODIINDIA: It exert force

PMMODIINDIA: But normal force

PMMODIINDIA: At the time you put your legs on the stairs...... A normal force is applied...

PMMODIINDIA: But when you displace your legs it is not in contact with the stairs....

PMMODIINDIA: This means stairs applies force but not causes displacement

PMMODIINDIA: And since displacement is 0 work is 0

PMMODIINDIA: I am preparing for JEE ADVANCED

PMMODIINDIA: I know lots of physics chemistry and math

PMMODIINDIA: Just I ask people some good questions on brainly

PMMODIINDIA: I even know covalent is stronger than ionic

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