EASY
6th ICSE
IMPORTANT
Earn 100

Why is an inclined plane is a simple machine? Give two examples of inclined planes from daily life.

Important Questions on Simple Machines

EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 3
What care would you take to increase the life span of a machine which you use?  
MEDIUM
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 4
How can you increase the mechanical advantage of a lever?
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 1
The effort arm of a lever is 4 m long and the load arm is 8 m long. Find the effort required to lift a load of 20 N.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 2
An effort force of 20 N is used to lift a load of 60 N by a machine. Calculate the mechanical advantage of the machine.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 3
The effort arm of a lever is 50m and the load arm is 5m, Calculate the effort force required to lift a load of 200N.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 4
A lever used to lift a heavy box has an effort arm of 4 meters and a load arm of 0.8 metres. What is the mechanical advantage of the lever?
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 5
A rake is held so that its input arm is 0.4 meters and its output arm is 1.0 metres. What is the mechanical advantage of the rake?
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 4 - Simple Machines>EXERCISES>Q 6
A child’s toy rake is held so that its output arm is 0.75 meters. If the mechanical advantage is 0.33, what is the input arm length?