What is the force of a ball if it has a mass of 1000 kg and accelerates at 10 m/s² ?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

It is really hard for me right know

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.