Asked by Nathalia
A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley and then to your hand. You pull on the loose end of the rope with a force of 348 N. You weigh 612 N and the seat you sit on weighs 16.0 N. (a) What is your acceleration? (b) What force does the seat exert on you?
Answers
Answered by
bobpursley
your net weight on the seat is your weight less your upward pull
b) 612N-348 N= you do it.
a. Now, on the acceleration, the rope is being pulled by 348, with a net downward force of 612-348, or net force
netforce clockwise=348-(614-348)=696-614
= 82N
netforce=mass*a
82=612/9.8 * a solve for a
b) 612N-348 N= you do it.
a. Now, on the acceleration, the rope is being pulled by 348, with a net downward force of 612-348, or net force
netforce clockwise=348-(614-348)=696-614
= 82N
netforce=mass*a
82=612/9.8 * a solve for a
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