A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction acting on t

Question

A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction
acting on the box is a constant 20 N. How much work is done by the gravitational force?
A. 03
OB. 10 J
C. 100
D. 50 J

in progress 0
Thu Hương 1 year 2021-09-02T06:59:16+00:00 1 Answers 36 views 0

Answers ( )

  1. Verity
    0
    2021-09-02T07:00:52+00:00
    Reply

    Answer:

    B i think

    Explanation:

    …

Leave an answer

Browse

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