Without the force of friction, people would not be able to walk. select the best answer from the choices provided. t f

-- The choices provided are 't' and 'f'.

-- If we assume that these mysterious symbols represent the words
'true' and 'false', then the question begins to make some sense.

-- We review the statement that introduces the question, and we see
that it is in fact expressed with considerable veracity.

-- We now know the the better of the choices offered is the letter 't',
representing the word 'true', corresponding to the intrinsic truthiness
of the statement concerning friction and walking.