If a block is already put in motion, which of the following statements apply? the force needed to overcome the sliding friction is less than the force needed to overcome the starting friction. the force needed to overcome the sliding friction is equal to the force needed to overcome starting friction. the force needed to overcome the sliding friction is greater than the force needed to overcome the starting friction. no force is needed to overcome sliding friction once force has been applied to overcome the starting friction.

Which of the following statements about the history of judaism is false?

What was the most significant result of the opium wars? a. china’s navy was exposed as incompetent. b. china could no longer impose tariffs. c. they increased britain’s influence in china. d. they decreased europe’s influence in china.

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers.c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers.d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.