In 2020 the 195kg Icelandic Strongman Hafthor Bjornsson broke the deadlift world record by deadlifting 501kg. Bjornsson lifted the weight approximately 1m off of the ground in 3.5s. In order to complete this lift what force did the strongman have to exert on the ground and what force did the ground exert on the strongman? All forces opposing the motion are negligible.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 8OQ
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In 2020 the 195kg Icelandic Strongman Hafthor Bjornsson broke the deadlift world record by deadlifting 501kg. Bjornsson lifted the weight approximately 1m off of the ground in 3.5s. In order to complete this lift what force did the strongman have to exert on the ground and what force did the ground exert on the strongman? All forces opposing the motion are negligible.  

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