Equation uniformly acceleration motion help us to calculate the magnitude of acceleration.
1) How will the 2nd and 3rd equation of uniformly accelerated motion for an object moving with a uniform velocity change?
Answers
Answer:
Suppose you are driving a vehicle on a road. The velocity of the vehicle is never uniform. Its velocity increases and decreases randomly. As you move the velocity of the vehicle on the road keeps on changing and this is said to be accelerated motion. Let us study the different kinematic equations of accelerated motion.
A body travels in a uniform motion if it moves with a constant velocity, i.e it undergoes equal displacements in equal intervals of time. If the magnitude or direction of the velocity changes, then the body is not in uniform motion. If a body is in uniform motion, then the net external force on the body is zero. The inverse of this statement is also true (if the net external force on the body is zero, then the body is in uniform motion).
Uniform Acceleration
A body under constant acceleration is uniformly accelerated motion. This is when a constant external force is applied to the body. The direction of acceleration is very important in the change of velocity. However, the direction of the acceleration of a body may not be the same as the direction of its motion. For example, if a car travels at a speed of 60 km/hour then it will cover a distance of 1 km/minute. Here the motion of car acceleration is uniform.
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