EASY
10th ICSE
IMPORTANT
Earn 100

Define the term velocity ratio.

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 16

Define the term efficiency of the machine.

HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 19

Figure given below gives an arrangement of moving and fixed pulleys. Copy the diagram and show the direction and magnitude of forces exerted by the four strings marked 1 to 4. What is the load that can be lifted by the effort E? Calculate the mechanical advantage of this system.

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MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 20
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the velocity ratio.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 20
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the work input.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 20
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the efficiency of machine.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 21

The given figure shows a simple lever. What is the velocity ratio?

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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. What is the mechanical advantage of 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. How much effort is required to pull 20 kgf through this system?