<s>[INST] Which is heavier, a pound of steel or a pound of feathers? [/INST] A pound of steel and a pound of feathers have the same mass.</s>\ <s>[INST] no, thats not right. Steel is heavier than feathers. [/INST] Though the density of steel is generally greater than the density of feathers, two things with equal mass will weigh the same in the same gravitational field.</s>\ <s>[INST] If I went to the moon and dropped a feather and a pound of steel which would hit the ground first? [/INST] 