A student is about to do a push-up. Her center of gravity lies directly above P on the floor, which is 1.2 m from her feet and 0.5 m from her hands.If her mass is 54 kg, what is the force exerted by t

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A submerged butterfly valve: A vertically oriented circular butterfly valve 2m in diameter has a horizontal axis passing through its center. The center is 5m below the surface of the water in an open

A bridge of length 80 m and mass 57000 kg is supported at each end (points A and B on the picture below). A truck of mass 32000 kg is located 23 m from the left support A. Calculate the normal force o

Two children, 30kg and 50kg sit on opposite ends of a 4m longuniform see-saw with mass 80kg. How far from the center ofmass of the see-saw, and closer to which child should the fulcrumbe placed in ord

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I know for A that Tcos45 = 1/2 *40.0 and B- Fvert= Tsin 45 +3*9.8. Please show me how the formulas were derived/ how you knew to set this up. Also please Include all algebra. Thank you! A rigid, verti

A 5 kg rock is suspended by a mass less string from one end of a 6 m measuring stick. What is the mass of the measuring stick if it is balanced by a support force at the 1 m mark?Answer in units of kg
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Is there any Organized cheat sheet for the MCAT physics and Chemistry Formula with identification of each variable and the units (Preferably hand written)

What is a crystallographic generator matrix? How does this relate to symmetry matrices?

1. A 195.0 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the saellite in orbit is 44.5 N.What is the velocity (speed) of the satellite? 2. The catapul