MEDIUM
10th ICSE
IMPORTANT
Earn 100

Differentiate between three classes of levers. Give at least two examples of each class.

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 15
What class of lever has fulcrum in between the load and effort?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 16
What class of lever has effort in between the load and fulcrum.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 17
Which class of lever has load in the between fulcrum and effort?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 18
Which class of lever always has mechanical advantage more than 1? Give one example.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 19
Which class of lever has mechanical advantage less than 1? What is the use of these levers? Give one example.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 20
Which class of lever has mechanical advantage more than, or equal to, or less than 1? Give example of each case.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 21
A crowbar is used to overcome a load of 100 kg. The length of the crowbar is 1 m and the fulcrum is 25 cm away from the load. What class of lever is crowbar? What is its mechanical advantage? What minimum effort is needed to overcome the load?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 2 - Machines>QUESTIONS>Q 22
A fire tong of length 35 cm is used to lift a piece of burning coal of mass 300 g. What minimum effort is required at distance 15 cm from the fulcrum for this purpose (in kgf)?(Write only the numerical value of answer)