S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 4

MEDIUM

10th ICSE

IMPORTANT

Earn 100

Show a neat diagram to explain the working of single movable pulley. Calculate mechanical advantage and velocity ratio of this pulley.

Important Questions on Machines

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?

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 10

The figure given alongside shows a block and tackle system of $4$ pulleys. Draw a string around the pulleys. Show also the position and the direction of the effort to be applied on this string. What is the mechanical advantage and velocity ratio of this system?

Question Image