Dwayne Douglas Johnson, also known by his ring name the Rock, is an American-Canadian actor, producer, businessman, retired professional wrestler, and former American football and Canadian football player. He wrestled for the World Wrestling Federation for eight years prior to pursuing an acting career. As a form of intensive exercise for the preparation of his new movie he wishes to pull the box shown below to 3m above the ground. In order to do that he exerted a constant vertical force F =200N. Determine the final velocity of the block when it has risen 3m above the ground starting from rest. Assume that the block has a mass of 20kg. The final velocity of the block is | m/s. USE WORK AND ENERGY PRINCIPLE IN YOUR SOLUTIONS F 0.25m

Dwayne Douglas Johnson, also known by his ring name the Rock, is an American-Canadian actor, producer, businessman, retired professional wrestler, and former American football and Canadian football player. He wrestled for the World Wrestling Federation for eight years prior to pursuing an acting career. As a form of intensive exercise for the preparation of his new movie he wishes to pull the box shown below to 3m above the ground. In order to do that he exerted a constant vertical force F =200N. Determine the final velocity of the block when it has risen 3m above the ground starting from rest. Assume that the block has a mass of 20kg. The final velocity of the block is | m/s. USE WORK AND ENERGY PRINCIPLE IN YOUR SOLUTIONS F 0.25m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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