EASY
10th ICSE
IMPORTANT
Earn 100

Classify the following into lever as class I, class II or class III: a catapult.

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 37
Classify the following into lever as class I, class II or class III: a wheel barrow.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 37
Classify the following into lever as class I, class II or class III: a fishing rod.
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:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 1
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.