📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    Question

    A porter lifts luggage of 20 kg from the ground and puts

    it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10ms-2)
    A 400 J Correct Answer Incorrect Answer
    B 200 J Correct Answer Incorrect Answer
    C 350 J Correct Answer Incorrect Answer
    D 150 J Correct Answer Incorrect Answer

    Solution

    Mass of the luggage (m)= 20 kg ⇒ Height above the ground (h) = 2m So, the work done by porter on luggage is ⇒ P.E = mgh = (20)×(10)×(2) = 400 J

    Practice Next

    Relevant for Exams:

    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call