Select the correct answer from each drop-down menu. James is studying about various inventors. Help James determine in which areas the inventors have contributed. Thomas Savery devised an early version of the blank and W. H. Bragg and his son W. L. Bragg developed a technology called blank

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

J. j. thomson’s experiment disproved the theory that an atom