NCERT Solutions for Class 8 Science Chapter 12
Important NCERT Questions
8th Chapter 12 Friction
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 6
Explain why sportsmen use shoes with spikes.
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Spikes increase friction and give better grip with the ground. It avoids slipping of sportsmen while playing or running.
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Athletes utilize shoes equipped with spikes to enhance their performance across various sports disciplines. These spikes, commonly made from durable materials like metal or sturdy plastic, offer several advantages:
1. Enhanced Grip and Traction: The protruding spikes embedded in the shoe’s sole offer superior traction by firmly gripping the ground. This is particularly advantageous in sports necessitating rapid changes in direction, swift accelerations, and sudden stops, such as sprinting, football, soccer, and track and field events. They minimize slippage, ensuring stability during dynamic movements.
2. Performance Improvement: The heightened traction enables athletes to exert more force and power with each step or movement. Sprinters, for instance, benefit from spiked shoes as they aid in propelling off the ground more effectively, thus boosting speed.
3. Technical Precision: Spikes assist in maintaining proper athletic techniques. Athletes can focus on their form without concerns about slipping, allowing them to perform optimally.
4. Adaptability to Surfaces: Varied spike lengths and types cater to different surfaces. Longer spikes suit softer or grassy terrains, while shorter ones are ideal for firmer surfaces.
In essence, spiked shoes deliver superior grip, traction, and steadiness, enabling athletes to attain their highest potential and excel in their respective sports disciplines.