At one position during its cycle, the foot pushes straight down with a 430-N force on a bicycle pedal arm that is rotated an angle ϕ=55∘ from the vertical, as shown in (Figure 1). Figure1 of 1

Part A
If the force is applied r=0.18m from the axis of rotation, what magnitude of torque is produced?

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.