Amachine that has no friction to overcome is called

a. ideal machine
b. complex machine
c. real machine
d. smooth machine

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Which type of basaltic lava flow has a fairly smooth

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.