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