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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
equals work
W= Fd Work Done (J) = Force (N) x Distance (M)Work = Force x Displacement x cos(θ) where θ is the angle between the direction of the Force and the direction of the displacementAs Force and displacement are both vectors and work is a scalar, the magnitude of the work is the scalar product of force and displacementW = F.sW = Fs cos(θ)In order to simply determine work done on an object, figure out how much force was exerted on the object, and over what distance, and multiply them. If you are just pushing an object, figure out the force needed to overcome friction and how far it was pushed. The unit of work (and energy) most commonly used is the joule. It is one Newton of force applied over one meter. 2 joules could be one Newton pushed over 2 meters, or 2 Newtons pushed over 1 meter.Work= force(N) x distance(M) or W=fd
3x3x3 = 27
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.