A) Helical gear B) Bevel gear C) Spur gear D) Worm gear
A) It increases friction B) It can change the direction and magnitude of a force C) It reduces mechanical advantage D) It limits motion
A) Compound pulley B) Fixed pulley C) Moveable pulley D) Block and tackle pulley
A) By rolling the gears on a surface B) By increasing friction between gears C) By using a belt drive system D) The pinion gear engages with the teeth of the rack to move in a straight line
A) Bevel gear B) Helical gear C) Worm gear D) Spur gear
A) Bevel gear B) Helical gear C) Spur gear D) Rack and pinion gear
A) By adding more power sources B) By changing the speed at which force is applied C) By increasing the size of the gears D) By reducing the number of gears
A) Simple gear trains have bigger gears B) Compound gear trains have multiple intermediate gears C) Simple gear trains are more complex D) Compound gear trains move slower
A) Low gear reduction B) Slippery surface C) High gear reduction D) Flexible movement |