MEDIUM
10th ICSE
IMPORTANT
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What is a movable pulley? How it is different from a fixed pulley?

Important Questions on Machines

HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 2
Show a neat diagram to explain the working of a single fixed pulley. Calculate mechanical advantage and velocity ratio of this pulley.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 3
What is the use of single fixed pulley although its mechanical advantage is 1 or less than 1?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 4
Show a neat diagram to explain the working of single movable pulley. Calculate mechanical advantage and velocity ratio of this pulley.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 5
What effort is needed to lift a load of 100 kgf from a single movable pulley (in kgf)?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 6
State the only problem faced with a single movable pulley. How is this problem overcome?
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 7
What is block and tackle system of pulleys? Draw a neat diagram to show block and tackle system of 5 pulleys. Calculate mechanical advantage of this system.
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 8
How many movable pulleys are there in a system of  3 pulleys? What is the mechanical advantage and velocity ratio of this system? If efficiency of system is 100%, what effort is needed to lift a load of 350 kgf attached to it?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 9
How many movable pulleys are there in a system of 4 pulleys? What is the mechanical advantage and velocity ratio of this system? If the efficiency of the system is 80%, what effort is required to lift a load of 40 kgf from this system?