a ramp 20 m long and 4 m high is used to lift a heavy box. a pulley system with 4 rope sections supporting the load is used to lift an ident

Question

a ramp 20 m long and 4 m high is used to lift a heavy box. a pulley system with 4 rope sections supporting the load is used to lift an identical box to a height of 4 m. If friction is ignored, the ramp requires a ____ to lift the load.
A) smaller input distance and a greater force
B) greater input distance and a greater force
C) smaller input distance and a smaller force
D) greater input distance and a smaller force

in progress 0
Kim Cúc 5 years 2021-07-15T15:37:04+00:00 1 Answers 43 views 0

Answers ( )

  1. niczorrrr
    0
    2021-07-15T15:38:04+00:00
    Reply

    Answer:

    d

    Explanation:

    google lol and i took it and got it right

Leave an answer

Browse

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