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tractors have broad tyres

Pressure

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

Formula of force

Question 1 What is pressure? Question 2 Define the SI unit of pressure? Question 3 Why does a sharp knife cut objects more effectively than a blunt knife? Question 4 Why wooden sleepers are kept below the railway line? Question 5 Why a wide steel belt is provided over the wheels of an army tank? Question 6 Why the tip of a sweing needle is sharp? Question 7 … [Read more...] about Pressure

Mass, Weight, Pressure, Thrust

Last Updated on March 4, 2022 By Mrs Shilpi Nagpal Leave a Comment

units of pressure

Question 1 Define the term mass? Give its unit? Question 2 A man weight 600 N on the earth. What is his mass.If he were taken on the moon, his weight would be 100 N.what is his mass on the moon? What is the acceleration due to gravity on the moon? Question 3 How much a 70 kg man weigh on the moon. What would be his mass on the  earth and on the moon? Question 4 Define … [Read more...] about Mass, Weight, Pressure, Thrust

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