EASY
8th CBSE
IMPORTANT
Earn 100

Why does a sharp knife cut objects more effectively than a blunt knife? 

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 54
Explain, why wooden (concrete) sleepers are kept below railway line.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 55
Explain why a wide steel belt is provided over the wheels of an army tank.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 56
Explain why the tip of a sewing needle is sharp
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 57

Explain why, snow shoes stop you from sinking into snow.

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 58
 Explain why, when a person stands on a cushion, the depression is much more than when he lies down 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 59
Explain why, porters place a thick round piece of cloth on their heads when they have to carry heavy loads.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 60
Give one practical application of magnetic force.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Long Answer Type Questions>Q 61
What is meant by a contact force? Explain with the help of an example.