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