July 31, 2020 at 1:39 pmKeyur KanadeAnsys EmployeeWhy is it much easier to roll a log than drag a wood cube with the same mass?
July 31, 2020 at 1:39 pmKarthik RAdministratorWhat is required to roll a log is the energy to overcome the rolling resistance, which involves friction energy (caused by slipping of the surface), kinetic energy of the log, and internal energy due to the deformation of the log and the road surface. For dragging a wood cube on the same surface, the energy is consumed by friction energy and the deformation of the wood. The friction between a wood cube and the ground is usually much higher than rolling friction of a wood log, thus it takes more energy to drag a wood cube than roll a wood log.
- You must be logged in to reply to this topic.
Simulation World 2022
Check out more than 70 different sessions now available on demand. Get inspired as you hear from visionary companies, leading researchers and educators from around the globe on a variety of topics from life-saving improvements in healthcare, to bold new realities of space travel. Take a leap of certainty and check out a session today here.
Earth Rescue – An Ansys Online Series
The climate crisis is here. But so is the human ingenuity to fight it. Earth Rescue reveals what visionary companies are doing today to engineer radical new ideas in the fight against climate change. Click here to watch the first episode.
Subscribe to the Ansys Blog to get great new content about the power of simulation delivered right to your email on a weekly basis. With content from Ansys experts, partners and customers you will learn about product development advances, thought leadership and trends and tips to better use Ansys tools. Sign up here.
- What is the difference between internal and external flows?
- How do you define specific gravity? What is its significance???
- Why is it much easier to roll a log than drag a wood cube with the same mass?
- How to gain research experience?
- Why ice floats on water
- Cell Counting?
- Whats the difference between sensible heat and latent heat?
- Archimedes principle
- What is the surface tension of a fluid?
- Sonic boom