please tell right answer
Q.1 What is 'Motion' ? Explain types of motion?
Q.2 Write any three differences bet(b) Speed and Velocity
Q.3 Define following terms
(a) Uniform Acceleration
(b) Retardation
(c) Average Velocityween following terms
(a) Distance and Displacement
Answers
Answer:
ans1. There are different types of motion: translational, rotational, periodic, and non periodic motion. Translational Motion. A type of motion in which all parts of an object move the same distance in a given time is called translational motion.
ans2. Speed can never be zero but the velocity can be positive, negative or zero. This is the difference between speed and velocity.
...
ans3. a. Uniform or constant acceleration is a type of motion in which the velocity of an object changes by an equal amount in every equal time period. A frequently cited example of uniform acceleration is that of an object in free fall in a uniform gravitational field.
b. Retardation is the act or result of delaying; the extent to which anything is retarded or delayed; that which retards or delays.
c. The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion.
d. Distance is the measure of “how much ground an object has covered during its motion” while displacement refers to the measure of “how far out of place is an object.” In this article, let us understand the difference between distance and displacement. ...