A body weighs 1000 lbf when exposed to a standard earth gravity ? = 32.174 ??/?². (a) What is its mass in kg? (b) What will the weight of this body be in N if it is exposed to the moon’s standard acceleration ?moon = 1.62 ?/?²? (c) How fast will the body accelerate if a net force of 400 lbf is applied to it on the moon or on the earth? The answers are (A) 454kg (B) 735N (C) 3.92 m/s²

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