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