# Simple Physics Calculator # Function to calculate acceleration $($a $=$ F $/$ m$)$ def calculate acceleration$($force$,$ mass$)$: if mass $==0$: return "Mass cannot be zero." else: return force $/$ mass # Function to calculate force $($F $=$ m $*$ a$)$ def calculate force$($acceleration$,$ mass$)$: return acceleration $*$ mass # Function to calculate mass $($m $=$ F $/$ a$)$ def calculate mass $($force$,$ acceleration$)$: if acceleration $==0$: return "Acceleration cannot be zero." else: return force $/$ acceleration def display$\_$entry$\_$screen$()$: print$("$Select calculation:"$)$ print$("1.$ Acceleration"$)$ print$("2.$ Force"$)$ print$("3.$ Mass"$)$ def main$()$: display$\_$entry$\_$screen$()$ choice $=$ input$("$Enter your choice $(1/2/3)$: $")$ if choice $==\text{'}1\text{'}$: force $=$ float$($input$("$Enter force $($N$)$: $"))$ mass $=$ float$($input$("$Enter mass $($kg$)$: $"))$ print$("$Acceleration:$",$ calculate acceleration$($force$,$ mass$),"$m$/$s$^2")$ elif choice $==\text{'}2\text{'}$: acceleration $=$ float $($input$($