A stationary 10 kg mass hangs from a string attached to another 10 kg mass that is hanging from a string attached to the ceiling. What is the tension in the lower string?

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope