MEDIUM
10th ICSE
IMPORTANT
Earn 100

An inclined plane makes an angle of 20° with horizontal. What is its mechanical advantage? If a man can put maximum effort of 40 kgf, what minimum load he can push on this plane?(sin 20°=0.34).

Important Questions on Machines

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 34

The diagram below shows a lever in use. k kgf effort is used to overcome this load. The value of k is _____.

Question Image

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 1
What is a movable pulley? How it is different from a fixed pulley?
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.