a weightlifter lifts a 1400 N barbell 2.5 meters. Calculate the work done during the lift

Question

a weightlifter lifts a 1400 N barbell 2.5 meters. Calculate the work done during the lift

in progress 0
Thanh Thu 5 years 2021-08-10T07:02:21+00:00 2 Answers 11 views 0

Answers ( )

  1. Acacia
    0
    2021-08-10T07:03:22+00:00
    Reply

    Answer: W = 3500 J

    Explanation: Work is the product of the amount of force and the perpendicular distance or W = Fd.

    W = Fd

       = 1400 N ( 2.5 m )

       = 3500 J

  2. thienhuong
    0
    2021-08-10T07:03:50+00:00
    Reply

    Answer:

    Force = 1400N

    Displacement = 2.5 m

    work done = F×D

    =1400×2.5

    = 3500 joule

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )