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2008 WAEC Physics Theory Use the diagram to answer question; Camphor is a chemical that sub-limes and interacts with...

Physics
WAEC 2008

Use the diagram to answer question;

Camphor is a chemical that sub-limes and interacts with water reducing the surface tension where it is put. Explain why the toy boat illustrated above would move forward with the camphor placed at the back of it but would be stationary before the placement of the camphor.

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Explanation

At the initial state, F\(_1\) = F\(_1\) . Therefore their resultant equal zero. At the placement of camphor F\(_1\) becomes less than F\(_2\) . Their resultant (F\(_2\) - F\(_1\)) makes the toy boat to move forward.


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts