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According to Newton’s First Law of Motion, an object will continue moving at the same speed and in the same direction unless acted upon by another/external force. What this means is when you slam the brakes on your 18-wheeler truck to avoid a family of rednecks crossing the road, your massive cargo of solid rock will continue to travel forward at speed.
Guess you should have strapped that in, mate! Or not… your picture has officially gone viral and has provided millions of science students with a perfect way to never forget what Newton’s First Law of Motion is.