The push is the same and the stuff is the same. Only the ground under it changed.
A resultant external force of 7.0 lb acts on an object that weighs 40 lb on earth. What is the object's acceleration (a) on earth? (b) on the moon?as printed, page 51
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Forty pounds of weight is only 1.24 slugs of mass, because one slug weighs 32.2 lb on earth.
About a sixth of g. After three seconds the object is moving 17 ft/s, a brisk jog, on earth or on the moon.
Moon gravity is a sixth of earth's. The weight drops. The 7 lb push does not care.
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