concussions are mostly caused when something hits your back of your head.The force needs to be at least 50 miles per hour or if something hits you for head.
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You need the weight of the vehicle to calculate the force
You would need to know how fast it is going to determine the force that the 50 hp motor is pushing the boat. Energy = Force X Distance. Divide both sides by time: Energy/time = Force X Distance/Time = Force X Speed, and Energy/Time = Power, so Power = Force X Speed, and Force would equal Power/Speed.
The formula for finding work is: Work = force X distance. To find distance, you must divide both sides by force. After simplifying the equation, the new equation will read: distance = work divided by force
To answer this question and ones like it, try exaggerating. Does it take the same amount of force to throw a cannon ball 3 meters as it does to throw a golf ball 3 meters?
To lift 1 ton (equal to 2,000 pounds) with a hydraulic system, you would need to apply 2,000 pounds of force. Since pressure is force divided by area, and the area of a typical hydraulic cylinder is around 1 square inch, you would need 2,000 pounds per square inch (psi) of pressure to lift 1 ton. In other words, you would need a hydraulic system capable of generating 2,000 psi to lift 1 ton.