The greatest strain, when lifting a load...

Question 1 / 2066636ee728f7522a1c517cdc

Question 1 of 2066636ee728f7522a1c517cdc

The greatest strain, when lifting a load with the jumbo purchase, is on __________.

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Question 1 of 20

66636ee728f7522a1c517cdc

The greatest strain, when lifting a load with the jumbo purchase, is on __________.

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🔍 Key Concepts

• Mechanical advantage in a multi‑sheave purchase (tackle) • How friction in sheaves affects tension in different parts of the fall (line) • Difference between standing part, hauling part, and the parts that pass through the movable block

💭 Think About

• If there were no friction in any sheaves, how would the load be shared by each part of the line? Now, what changes when you add friction to each sheave? • As the line passes through more and more sheaves from the standing part toward the hauling part, what happens to the tension in the line segments? • Which part of the line must supply not only its share of lifting the load, but also overcome all the accumulated friction in every sheave?

✅ Before You Answer

• Be clear on the definitions: standing part (fixed end), hauling part (where you pull), and parts in the movable block (those directly supporting the hook/load). • Consider that friction increases the tension required in the line: which part of the line has experienced the most sheave passes before it reaches that point? • Verify whether the strain is truly equal in all parts once friction is included, or whether one section must carry more to overcome losses.

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Question 1 of 20

The greatest strain, when lifting a load with the jumbo purchase, is on __________.

the standing part because it is directly connected to the weight

all of the parts, dividing the load equally

the hauling part because it must absorb the frictional losses of all the sheaves

the parts in the movable block

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Question 1 / 2066636ee728f7522a1c517cdc

Question 1 of 2066636ee728f7522a1c517cdc

The greatest strain, when lifting a load with the jumbo purchase, is on __________.

Back

Question 1 of 20

66636ee728f7522a1c517cdc

The greatest strain, when lifting a load with the jumbo purchase, is on __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed