A contact force cannot act through. a)touching b)empty space c)touchig with a iron rod d)touching with a wooden rod
Answers
Answer:
ANSWER 1 = The forces which acts on bodies when they are in actual contact are called the contact forces. They involve physical contact between two objects. Hence, they cannot actl through empty space.
ANSWER 2 = When we touch a steel rod and a paper simultaneously, we feel that the rod is colder because:
When we touch a steel rod and a paper simultaneously, we feel that the rod is colder because:A . iron being a good conductor conducts more heat from our body.
When we touch a steel rod and a paper simultaneously, we feel that the rod is colder because:A . iron being a good conductor conducts more heat from our body.B . paper being a good conductor conducts more heat from our body.
When we touch a steel rod and a paper simultaneously, we feel that the rod is colder because:A . iron being a good conductor conducts more heat from our body.B . paper being a good conductor conducts more heat from our body.C . more heat flows from the iron to our body.
When we touch a steel rod and a paper simultaneously, we feel that the rod is colder because:A . iron being a good conductor conducts more heat from our body.B . paper being a good conductor conducts more heat from our body.C . more heat flows from the iron to our body.D . more heat flows from the paper to our body.
ANSWER 4 = The wooden rod may burn or get brocken according to the strengt in rod.
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