Question: (20 points) Two crates are stacked in an elevator car that begins to accelerate in the upwards direction at a constant 1.75 m/s2. The top

(20 points) Two crates are stacked in an elevator car that begins to accelerate in the upwards direction at a constant 1.75 m/s2. The top crate has a mass of 12.0 kg, and the bottom crate has a mass of 26.5 kg. (a) (8 points) Draw a free body diagram for each crate. (b) (12 points) Find the magnitude of the normal force that the floor of the elevator car exerts on the bottom crate, and the magnitude of the contact force between the two crates. You may take the acceleration due to gravity as being 9.80 m/s2.

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