PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoRead the statement and reason and check whether both of them are right:
1)
Statement: Riding a bicycle in cement surface is difficult when compared to riding it in a rough and tough surface.
Reason: Friction in smoother surface is greater when compared to friction in rougher surface.
Are both the statement and reason given correct?
2)
Statement: Oil, grease are used as lubricants in machineries.
Reason: Fluids such as oil, grease has high viscosity, hence can reduce the friction.
Are both the statement and reason given correct?
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