What happens to the support force on workmen-s feet
Consider a crate at rest on a factory ?oor. As a pair of workmen begin lifting it, does the support force on the crate provided by the ?oor increase, decrease, or remain unchanged? What happens to the support force on the workmen's feet?
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Far in space, where gravity is negligible, a 430 kg rocket traveling at 75 m/s fires its engines. The figure below shows the thrust force as a function of time, with the horizontal axis in 8 s increments. The mass lost by the rocket during these
As a pair of workmen begin lifting it, does the support force on the crate provided by the ?oor increase, decrease, or remain unchanged? What happens to the support force on the workmen's feet?
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