Question

35-Make an inclined plane on a smoothfloor, or on a table. Put a mark with a pen at any point A on the inclined plane. Now let a pencil cell move down from this point. . Now spread a piece of cloth.Make sure that thereare no wrinkles in the cloth. Try theactivity again .Repeat this activity by spreading a thin layer of sand over the table.Maintain the same slopethroughout the activity. 35-a)In which case is the distance coveredthe minimum?

1 point



when cell moves on sand

when cell moves on cloth

when cell moves on table

none of the above

35-b)Why is the distancecovered by the pencil cell different everytime.

2 points

friction is not related to distance covered

because of the different amounts of friction provided by different surfaces.

because of the same amounts of friction provided by different surfaces.

distance is measured incorrectly

35-c)Which surface provides the maximum friction.

1 point

table

cloth

sand

all of the above

35-d) the distance covered depend onthe nature of the surface on which the cell moves?

1 point

Yes

NO

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Answer 1

Answer:

Yes

Explanation:

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Answer 2

Answer:

b.d c.c d yes ..............