"If they kept this up much longer though, my guess is that the boys would run out of 'gas' before the car does. "It looked like the boys beat the car anyway, so I guess it's OK that this number is a tag higher."Īfter plugging all that in, "looks like these calculations back up the video. "14,100 N versus 13,120 N is pretty close, close enough anyway," said Browne. Call that angle 30 degrees, so then 16,287 times the cosine of 30 degrees is 14,100 N. "Now we can calculate an estimate for the applied force due to their squats," Browne said.įorce = 831 kg * 2 * 9.8 m/s^2 = 16,287 N (newton).Īnd now we have to add in the fact that the guys are pushing the sled at an angle. "If we use that bogus number from the video mentioning 831 kg as their collective body weight, that means each of the players weighs about 229 pounds."įor this activity, the acceleration "a" is gravity, as they move the mass perpendicular to the ground. Let's assume they can squat about two times their body weight. This force is so great on a F1 racing car that, when the driver comes off the throttle at maximum speed, the car slows down at least as briskly as a road car can brake at maximum effort. "These blokes are nonsensically strong," said Browne. This is the horizontal part of the aerodynamic force generated by the car as it moves through the air. This will require some assumptions on our part, but we can do it," said Browne. "Now we need to calculate the opposite force, the one coming from the scrum of eight rugby players. Personal Loans for 670 Credit Score or Lower ![]() Personal Loans for 580 Credit Score or Lower Calculate the normal force being applied on the book. Example 1: A text-book of mass 1.7 kg is kept on the table. Best Debt Consolidation Loans for Bad Credit Where, the normal force is F N the mass of the body is m gravitational force is g.
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