Which property of matter changes depending on the gravitational pull

The question is somewhat misleading.

Any lump of matter has a certain amount of mass.  The mass is a property of that lump, and it doesn't change, no matter what happens to the lump or where it goes.

But the WEIGHT of the lump depends on what else is around, because the weight is the strength of the gravitational force on it, caused by some OTHER mass.  The weight can change, because it depends on the OTHER mass.

The gravitational force changes the WEIGHT of the lump of matter, but that's not really a property of the matter.

the answer to this question is 60 n

  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.