Need help on these questions ASAP please for 1 and 2 I’m going to really appreciate it.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

If a balloon is taken outside on a very cold day, what will occur?

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.