You use when you hold an object stationary in your outstretched hand. Suggest what happens to the energy that must be supplied to your muscles to keep them contracted

Henry heavyweight weighs 1450 n and stands on a pair of bathroom scales so that one scale reads twice as much as the other.

The coefficients of friction between a block of mass 0.5 kg and a surface are μs = 0.75 and μk = 0.45. Assume the only other force acting on the block is that due to gravity.

Determine whether the following statements are true and give an explanation or counterexample. (A) If the acceleration of an object remains constant, its velocity is constant.

In the equation for Ohm's law what does I stand for? A. current B. resistance C. kilowatts D. voltage

Calculate the energy in kcal used by a 55 kg woman who does 55 deep knee bends in which her center of mass is lowered and raised 0.400 m. (She does work in both directions.) You may assume her efficiency is 20%.

Compare the acceleration of a motorcycle that accelerates from 80 km/h to 90 km/h

Do you think you would like to do arson or explosion investigation or evidence testing? Why or why not?

What's the difference between solids and liquids?

Which type of reaction will for a chemical bonded combination

What kind of change is salt dissolving in water