Now, since both locomotives have the same mass (even the drivers are the same size), they will have the same normal force (N) and therefor the same maximum static friction. The result is easy to predict: The trains will huff and puff to no avail—it’s a stalemate.
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Marking five decades since its establishment on April 1, 1976, Apple's semicentennial coincides with the release of technology journalist David Pogue's comprehensive historical account. The CBS Sunday Morning correspondent's latest publication, "Apple: The First 50 Years," provides an extensive exploration of the corporation's evolution.