Astagehand starts sliding a large piece of stage scenery originally at rest by pulling it horizontally with a force of 176 n. what is the coefficient of static friction between the stage floor and the 490 n piece of scenery? a. 0.36 c. 2.8 b. -2.8 d. -0.36

Option (a)

Explanation :

A stage hand starts sliding a large piece of stage scenery originally at rest by pulling it horizontally with a force of 176 N.

Hence Force applied  

Force on piece of scenery

µk =

=  

= =0.36

coefficient of static friction is 0.36

  distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

  slope of a graph = change in value of y -axis / change in values of x -axis

  comparing both the equations

    change in value of y -axis = change in position

  change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.