Define the following terms:
(a) Distance
(b) Displacement
(c) Speed
(d) Velocity
(e) Acceleration
(f) Uniform motion
(g) Uniform circular motion
(h) Scalar quantity
(i) Vector quantity
Answers
Explanation:
(a) Distance
(b) Displacement
(c) Speed
(d) Velocity
(e) Acceleration
(f) Uniform motion
(g) Uniform circular motion
(h) Scalar quantity
(i) Vector quantity
Distance
a) The length between two points
Displacement
b) The shortest distance between two points
Speed
c) Time taken to cover given distance
Velocity
d) The speed of something in a given direction
Acceleration
e) The rate of change of velocity per unit of time
Uniform motion
f) If an object covers equal distance in equal intervals of time then it is called uniform motion
Uniform circular motion
g)Uniform circular motion can be described as the motion of an object in a circle at a constant speed. As an object moves in a circle, it is constantly changing its direction. At all instances, the object is moving tangent to the circle.
Scalar quantity
h) Scalar quantities are quantities that are described only by a magnitude. They do not have a direction of action.
Vector quantity
i) A quantity that has both magnitude and direction. It is typically represented by an arrow whose direction is the same as that of the quantity and whose length is proportional to the quantity's magnitude.
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