Choose ONE of the scientific principles/terms listed below which can be used to explain the following phenomena. (Can anyone help with this it's my assignment contains 15 marks anyone knows the answer to it would mean a lot )
Thermal Expansion Conduction Friction Siphonic action
Partial Vacuum Bernoulli’s Principle Convection Electrostatic Charge
1) You move heavy boxes by sliding them over the ground. ( )
2) A stream of water is attracted by a rubbed rod.( )
3) During the construction of railway tracks, the small gap is left between two adjacent rails. ( )
4) Air enters the lungs when the diaphragm pulls downwards during inhaling.( )
5) The freezer is located at the top of the refrigerator. ( )
6) A paint gun creates a jet of air that entrains small droplets of paint. ( )
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Answer:
1)friction
2)electrostatic charge
3)thermal expansion
4)partial vacuum
5)conduction
6)siphonic action
Explanation:
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