Justus6973 Justus6973
  • 15-03-2024
  • Physics
contestada

A person standing on a scaffold lowers an object of weight 250 N by means of a rope, at constant speed. If the weight of the rope is negligible, the force that the person exerts is:

A) constant and less than 250 N
B) equal to 250 N
C) less than 250 N and decreasing
D) greater than 250 N

Respuesta :

Otras preguntas

Can someone help me ?
Who was not a member of the Triple Entente? Russia Britain Germany France
Help me with math for brainiest:)
What types of lines are coplanar and intersect at a right angle?
When boot is involved in an exchange having commercial substance:_______ a. only losses should be recognized. b. gains or losses are recognized in their entir
FREE BEE but, someone please answer my last question, im timed on it
Which of King’s accomplishments do you think made the biggest impact? Please Explain
6. Give an example of the following:(a) Clear communication(b) Complete communication​
Determine whether the triangles are similar. or not. If similar, state how. A. similar, AA B. similar, sss C. Similar, SAS D. Not similar
In a tug-of-war game on one campus, 15 students pull on a rope at both ends in an effort to displace the central knot to one side or the other. Two students pul