Question

2.2>Elephants are being moved from the Kruger>5 000 N>National Park to the Eastern Cape. They are>loaded into crates that are pulled up a ramp>(an inclined plane) on frictionless rollers.>15°>The diagram shows a crate being held>stationary on the ramp by means of a rope>parallel to the ramp. The tension in the rope is 5000 N>2.2.1>Explain how one can deduce the following: "The forces>acting on the crate are in equilibrium".>(2)>2.2.2>Draw a labelled free body diagram of all the forces acting>on the crate (with the elephant).>(3)>2.2.3>The crate has a mass of 800 kg. Determine the mass of>the elephant.>(6)>2.2.4>The crate is now pulled up the ramp at a constant speed.>How does the crate being pulled up the ramp at a>constant speed affect the forces acting on the crate and>elephant? Explain.>​

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