If you are in contact with someone, you regularly meet them or communicate with them. If you get in contact with someone, you start to communicate with them. He was in direct contact with the kidnappers. [ + with] We do keep in contact.
Explanation:
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Force applied by direct touching an object is called contact force. Like me pushing a wall i.e. muscular force or frictional force etc. All of them require contact for their application. You cannot push something without toching it. Friction will not act if two surfaces are not in contact.
Answers & Comments
Answer:
If you are in contact with someone, you regularly meet them or communicate with them. If you get in contact with someone, you start to communicate with them. He was in direct contact with the kidnappers. [ + with] We do keep in contact.
Explanation:
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Verified answer
Answer:
Force applied by direct touching an object is called contact force. Like me pushing a wall i.e. muscular force or frictional force etc. All of them require contact for their application. You cannot push something without toching it. Friction will not act if two surfaces are not in contact.
Explanation:
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