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