Question

Which of the following is not correct in case of pulling a wooden block over a table with the help of a spring balance ?
(a) Block should be rough
(b) Block should be smooth
(c) Table should be smooth
(d) Both the block and the table should be rough.

CBSE Class IX Science VSA (1 Mark)

Answer 1

d) The block and the table both should be rough.

Answer 2

Answer:

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Explanation:

Both the block and the table should be rough.