Class -VI
PHYSICS
Time-20 min FM - 10 ----------------------------------------------------------- -----------------------------------
1. In a class 1 lever, the load arm is 50 cm long and the effort arm is 250 cm long.
How much force will be required to lift a load of 25 kg with it? [2]
2. Define a) MA b)Thermometer [4]
3. 50-degree centigrade = ______ degree Fahrenheit [2]
4. Why mercury is used in thermometers? [2]
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