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Physics / College Physics 12 / Chapter 8 / Problem 3P

College Physics | 12th Edition | ISBN: 9780321595492 | Authors: Randall D. Knight

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Solved: How close to the right edge of the 56 kg picnic

Chapter 8, Problem 3P

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QUESTION:

Problem 3P

How close to the right edge of the 56 kg picnic table shown in Figure P8.3 can a 70 kg man stand without the table tipping over? Hint: When the table is just about to tip, what is the force of the ground on the table’s left leg?

Questions & Answers

QUESTION:

Problem 3P

How close to the right edge of the 56 kg picnic table shown in Figure P8.3 can a 70 kg man stand without the table tipping over? Hint: When the table is just about to tip, what is the force of the ground on the table’s left leg?

ANSWER:

Problem 3P

How close to the right edge of the 56 kg picnic table shown in Figure P8.3 can a 70 kg man stand without the table tipping over? Hint: When the table is just about to tip, what is the force of the ground on the table’s left leg?

Step By Step Solution

Step 1 of 3

Draw the free body diagram:

The centre of gravity of the table is at R meters from any leg of the table.

Torque due to the weight of the table at the right leg:

................................(1)

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