The 75.0 kg hero of a movie is pulled upward with a constant acceleration of 2.00 m/s2 by a rope. What is the tension on the rope?

Question

The 75.0 kg hero of a movie is pulled upward with a constant acceleration of 2.00 m/s2 by a rope. What is the tension on the rope?

585N

75.0N

885N

11.8N

in progress 0
Diễm Thu 4 years 2021-08-15T16:54:12+00:00 1 Answers 42 views 0

Answers ( )

  1. danthu
    0
    2021-08-15T16:55:34+00:00
    Reply

    Use Newton’s second law. The net force on the hero is

    ∑ F = T – m g = m (2.00 m/s²)

    where

    • T = tension in the rope

    • m = 75.0 kg = mass of the hero

    • g = 9.80 m/s² = acceleration due to gravity

    Solve for T :

    T = (75.0 kg) (g + 2.00 m/s²) = 885 N

Leave an answer

Browse

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