EASY
10th ICSE
IMPORTANT
Earn 100

Draw a labelled sketch of a class III lever. Give one example of this kind of lever.

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 1
Mechanical advantage (M.A), load (L) and effort (E) are related as:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 2
The correct relationship between the mechanical advantage (M.A), the velocity ratio (V.R) and the efficiency (η) is:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 3
Which of the following statements is not true for a machine:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 4
The lever for which the mechanical advantage is less than 1 has:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 5
Class II levers are designed to have:
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(B)>Q 1
State the term inclined plane? Also list down any two examples where it is used to raise a heavy load with less effort?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(B)>Q 3
Write an expression for the mechanical advantage of an inclined plane if the terms of length and vertical height are given as l and h respectively.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(B)>Q 4
State whether that the mechanical advantage of an inclined plane is equal to 1, less than 1 or greater than 1?