EASY
10th ICSE
IMPORTANT
Earn 100

A system of pulleys consists of three fixed and two movable pulleys. What is the mechanical advantage of this system?

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 22
A system of pulleys consists of three fixed and two movable pulleys. How much effort is required to pull 20 kgf through this system?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 22
A system of pulleys consists of three fixed and two movable pulleys. If efficiency of the system is 70% what is its velocity ratio?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 22
A system of pulleys consists of three fixed and two movable pulleys. How much effort has to move down to lift the load to a distance of 2 m, if the efficiency of the system is 70%?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 23
Angle of deviation of an inclined plane is 30°. What is its mechanical advantage?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 23
Angle of deviation of an inclined plane is 30°. How much effort is required to lift a load of 100 kgf on this plane?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 23
Angle of deviation of an inclined plane is 30°. If the increase in the potential energy of the load of 100 kgf  is 5000 J, how much distance it has moved on the plane?
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 24
A man applies the effort of 150 N on one end of a fixed pulley to pull a bucket of water of mass 12 kg. What is the force of friction, mechanical advantage and efficiency of this pulley?
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 25
A gear system has one wheel with 15 teeth and the other wheel with 60 teeth. Calculate what gain in speed and the gain in torque you can obtain from this system.