Answer :
Final answer:
A hammer drill will not hammer until pressure is applied to the drill bit against a surface.
Explanation:
A hammer drill will not hammer until pressure is applied to the drill bit against a surface. The hammer drill is designed to create impact force while drilling, and this force is generated by a mechanism that moves the drill bit back and forth rapidly. However, this movement only occurs when there is sufficient pressure applied to the drill bit against a surface.
When the drill bit is pressed against a surface, the pressure triggers the hammering mechanism in the drill. This mechanism consists of a set of gears and a piston that rapidly moves the drill bit in and out while it rotates. The impact force generated by this action allows the drill to break through tough materials like concrete or masonry.
Without the application of pressure, the hammering mechanism in the drill is not activated, and the drill will function like a regular rotary drill, where the bit simply rotates without any hammering action. Hammer drills require pressure to be applied to engage the hammering function, similar to how a precise point of impact determines how force affects a nail. The reference to a percussion point illustrates the importance of engagement and force application for optimal effectiveness.
