EASY
6th ICSE
IMPORTANT
Earn 100

All levers are force multipliers.

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Important Questions on Simple Machines

EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 1
A pulley changes the direction of force.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 1
An inclined plane always has the mechanical advantage more than 1.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 2
The useful work done by an actual machine is always _____ than the work done on the machine. (less, more)
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 2
The mechanical advantage of class _____ lever is always less than 1.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 2
A pulley is used to change _____ (direction of effort, mass of effort).
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 2
Mechanical advantage of an inclined plane is always _____.( greater than one, less than one)
MEDIUM
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 3

Match the following columns:

Column A Column B
(a) Needle (i) class II lever
(b) Doorknob (ii) inclined plane
(c) Ramp (iii) class I lever
(d) Lemon crusher (iv) wheel and axle
(e) See-saw (v) wedge

 

EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 4
For an ideal machine, the efficiency is :