Acar engine burns fuel and has moving parts. sometimes, an engine can become too hot and overheat. what can prevent the engine from overheating? a) adding fuel to provide more energy b) using a fuel that produces less pollution c) reducing friction between the moving parts d) making the parts of the engine move more quickly

An experiment was performed on a 2-kg block. forces of 5, 10 and 15 newtons respectively were applied to the block for 5 seconds. describe the difference in acceleration between the three trials. a) the final accelerations will all be the same. b) the final acceleration will triple between the first and third trial. c) the final acceleration will be cut by 1/3 from the first to third trial. d) the final acceleration will increase nine time between the first and third trial.