Question

1) Define uniform motion Plot distance - time
graph of an object performing uniform
motion show that slope of distance
time graph of an object represent
speed of
the body.​

Answer 1

Answer:

Explanation:

$Speed$ / $Velocity$= $\frac{Distance/Displacement}{time taken}$

Now, if you look at the graphy, it is a straight line through origin.

So on x axis you have time or t and on y axis, you have distance.

Now the general equation of any line is y=mx+c, where m is the slope.

this line's equation =>y=t (since it is a line through the origin, c=0 and such that m or tan(Θ) = 1, or Θ = 45 degrees, meaning equally inclined on x and y)

=> y=mt or $m = \frac{y}{t}$, since m=1, y=t.

=> what this means therefore is, the ratio y/t will always be 1 and for that to happen, equal distance should be travelled in equal intervals of time.