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22/10/2021 6:46 pm
Topic starter
(a) What is the difference between ‘distance travelled’ by a body and its ‘displacement’? Explain with the help of a diagram.
(b) An ant travels a distance of 8 cm from P to Q and then moves a distance of 6 cm at right angles to PQ. Find its resultant displacement.
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22/10/2021 6:50 pm
(a) Distance travelled is the actual length of the indirect path covered by the body whereas displacement refers to the straight line path between the initial and final positions. For e.g. In the figure given below, a body moves from point A to point B and then from point B to point C. Here, the distance travelled by the body is AB + BC and displacement is AC.
(b) figure.png
PQ = 8 cm
QR = 6 cm
Resultant Displacement PR = \(\sqrt{8^2 + 6^2}\)
= \(\sqrt{100}\) = 10 cm
This post was modified 4 years ago 2 times by Mayank1444