A crane lifts a 1100kg car vertically with a constant acceleration of 0.75 ms^-2. The car...

 

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A crane lifts a 1100kg car vertically with a constant acceleration of 0.75 ms^-2. The car is raised through a height of 4m during this acceleration. a) Determine the value of the force needed to lift the car and the work done on the car during lifting. b) As the car is lifted, it gains Kinetic Energy (KE) due to its increasing velocity, and Potential Energy (PE) due to its position. Determine the gain in both KE and PE. (Hint, you will need to establish the increase in velocity during lifting.) c) Consider the solutions of the work done in a) and the gain in PE & KE in b), what can you conclude? A crane lifts a 1100kg car vertically with a constant acceleration of 0.75 ms^-2. The car is raised through a height of 4m during this acceleration. a) Determine the value of the force needed to lift the car and the work done on the car during lifting. b) As the car is lifted, it gains Kinetic Energy (KE) due to its increasing velocity, and Potential Energy (PE) due to its position. Determine the gain in both KE and PE. (Hint, you will need to establish the increase in velocity during lifting.) c) Consider the solutions of the work done in a) and the gain in PE & KE in b), what can you conclude?

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The image includes a physics problem related to energy and work with three parts a b c Lets solve each part step by step a Determine the value of the ... View the full answer