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  2. How much weight am I lifting by raising one end of a 21' beam?

    www.physicsforums.com/threads/how-much-weight-am-i-lifting-by-raising-one-end...

    Beam Lifting. In summary, if you are lifting an equilibrium beam (one end at the ground, the other end supported) with no external supports, you will be lifting half the weight. If you are lifting it from the ground at one end and holding it straight out, you will have to apply an upwards force to lift it. Jan 15, 2007.

  3. Calculate lift from pressure distribution - Physics Forums

    www.physicsforums.com/threads/calculate-lift-from-pressure-distribution.1010046

    To calculate lift from pressure distribution, you first need to obtain the pressure distribution data from your experiments or simulations. Then, you can use the equation L = ∫PdA to integrate the pressure distribution over the surface area of the object. This will give you the total lift force acting on the object. 2.

  4. I don't understand how to calculate the drag coefficient -...

    www.physicsforums.com/threads/i-dont-understand-how-to-calculate-the-drag...

    I'm confused since you need lift to calculate the coefficient and its just a loop. I'm confused about how to solve for the Cl. I know that the equation for lift is L = Cl * r * .5 * V^2 * A, and you need the Cl to find lift. However the equation for lift coefficient that I found is (2L)/ (1/2*p*u^2*S) and you need L which is lift to solve for Cl.

  5. Calculating Lifting Weight for a Horizontal Metal Tube - Physics...

    www.physicsforums.com/threads/calculating-lifting-weight-for-a-horizontal...

    To calculate the lifting weight of an object, you need to know the mass of the object and the acceleration due to gravity. The formula for calculating lifting weight is mass x acceleration due to gravity. This will give you the force needed to lift the object. 2.

  6. What is Camshaft Lift? · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/SR-04699/en-us

    Valve Lift When talking about camshafts and lift, people usually mean valve lift. This is the distance the valve actually moves. It is also called "gross lift." All camshaft manufacturers list this value. Cam Lift This is the distance the cam lobe rises away from the base circle of the camshaft. It is the distance the lifter will move.

  7. Calculate the power of a the lift motor - Physics Forums

    www.physicsforums.com/threads/calculate-the-power-of-a-the-lift-motor.500330

    To calculate the power of the lift motor, we need to use the formula P = W/t, where P is power, W is the work done, and t is the time taken. In this scenario, the work done is the force required to lift the bricks (400kg) multiplied by the distance (50m). This gives us a total work of 20,000 joules (400kg x 50m).

  8. Helicopter Equations: How to Calculate Lift, Dimensions & More

    www.physicsforums.com/threads/helicopter-equations-how-to-calculate-lift...

    To calculate the dimensions of a helicopter's rotor blades, you need to know the desired lift, air density, and velocity. Then, you can use the equation A = L/ (ρV²) to determine the necessary rotor blade area. From there, you can calculate the blade length and width based on the desired aspect ratio (length/width). 3.

  9. How to calculate lift for delta wing - Physics Forums

    www.physicsforums.com/threads/how-to-calculate-lift-for-delta-wing.169538

    The formula for calculating lift for a delta wing is: Lift = ½ x air density x velocity 2 x wing area x lift coefficient. 2. How do I determine the air density for the calculation? The air density can be determined using the standard atmospheric values for pressure, temperature, and humidity.

  10. Is there a more accurate way to calculate lift force in...

    www.physicsforums.com/threads/is-there-a-more-accurate-way-to-calculate-lift...

    The bound vortex circulates in such a way that the upper surface of the airfoil sees faster moving air than the lower surface, leading to lift. This is often called the Kutta condition, and the value of this bound circulation can be used with the Kutta-Joukowski Theorem to directly calculate lift. Aug 30, 2011.

  11. Calculating lift using bernoulli's equation - Physics Forums

    www.physicsforums.com/threads/calculating-lift-using-bernoullis-equation.348791

    xc630. Oct 25, 2009. Bernoulli's Bernoulli's equation Lift. In summary, the conversation discusses the use of Bernoulli's principle to calculate the lift on a wing based on the difference in pressure between the top and bottom surfaces. The equations used are P1 + 1/2rv1^2= P2 + 1/2 r v2^2 and F=P/A. The approach to solving the problem involves ...