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A. Answer in Detail1. Can force act without an interaction between two objects? Give an example to explain.2. What are the effects that force can produce? Give one example of each effect.3. Differentiate between:(a) Contact and non-contact forces(b) Electrostatic and magnetic force(c) Force and pressure4. Give reasons for the followings (a) People often encounter problems like nose bleeding when they reach high altitudes.(b) A boy weighs only 10 kg on the moon, while his weight on the earth was 60 kg.(c) Women are advised not to wear high-heeled shoes.(d) Divers have to wear special suits before diving into a deep sea.(e) We do not feel air pressure although there is a tall column of air above us. |
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