Question

(b)Three friends Ram, Mohan, and Roy have to reach the point B from point
A. The path taken by them is shown in the figure. The distance travelled by Mohan
is 14 m.
(i)If all of them travel at same speed, who will reach point B first. Why?
(ii)What is the distance travelled by Ram and Roy?
(iii)Find the displacement of Ram, Roy and Mohan.

Answer 1

Answer:

The answer is -8 and 10. When a positive and negative are multiplied together, the result is always negative: -8 times 10 = -80.

Answer 2

Question: Three friends Ram, Mohan, and Roy have to reach point B from point A. The path taken by them is shown in the figure.

Answer the following questions:

Distinguish between distance and displacement.

If all of their travel at the same speed, who will reach first at point B and why?

The image is linked below

Answer:

1. Distance:

• It measures the actual distance traveled by a moving body
• Either it is positive or zero.
• It has a scalar value.

Displacement:

• It is the measured distance that is closest between the starting and ending points.
• It might be zero, positive, or negative.
• A vector quantity, that is.

2. Mohan will arrive first since he will take the quickest route.

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