EASY
10th ICSE
IMPORTANT
Earn 100

Name a machine to change the direction of force?

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 3
Name a machine to obtain gain in speed?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 4
What is the purpose of a jack in lifting a car by it?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 5
What do you understand by an ideal machine? How does it differ from a practical machine?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 6
Explain the term mechanical advantage. State its unit.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 7
Define the term velocity ratio, state its unit.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 8
How is mechanical advantage related to the velocity ratio for an ideal machine?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 9
State the term efficiency of a machine. Why a machine can not be 100% efficient?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 3 - Machines>EXERCISE-3(A)>Q 10
When does a machine acts as a force multiplier? Can a machine act as a force multiplier and a speed multiplier concurrently?