Study the movement of both masses: [*] vary the slope and leave [math]m_1[/math] and [math]m_2[/math] constant [*] vary [math]m_1[/math] and leave [math]m_2[/math] and the slope constant [*] vary [math]m_2[/math] and leave [math]m_1[/math] and the slope constant [*] try to achieve long times! [ use [b][color=#c51414]java[/color][/b], this movement is a fiasco! ]