Question

write the difference between uniform motion and non uniform motion?




why the floor for the high jump is made with sand or foam? give reason.​

Answer 1

Hello There!

Answer:

• Uniform motion is a type of motion that is characterized as the motion of an object wherein the object moves in a straight line and its velocity remains unchanged along that line, regardless of the duration of time, as it occupies equal distances at equal time intervals

• Uniform motion has zero acceleration

• Example- Movement of the ceiling fan’s blades.

1. Non-uniform motion is described as the motion of an object wherein the object moves at different speeds and does not cover the same distance at equal time intervals, regardless of the duration of the time interval.
2. The non-uniform motion has non-zero acceleration.
3. Example- A train’s movement.

Athlete is made to land on the sand after long jump so as to increase the time of impact. This reduces the momentum and force by which he is landing on the ground.

Thus, athlete is saved from getting injured.

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Answer 2

Explanation:

Uniform motion - An body is said to be in uniform motion if it covers equal distances in equal intervals of time in a straight line.

Non - Uniform motion - When a body covers unequal distances in equal intervals of time or vice - versa, then the body is said to display non - uniform motion.

Athlete is made to land on the sand after long jump so as to increase the time of impact. This reduces the momentum and force by which he is landing on the ground. Thus, athlete is saved from getting injured.