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A moving body covers 10 m distance along a straight path in each second. The body is under which type of motion?
Non-uniformly accelerated motion
Uniformly accelerated motion
Circular motion
Uniform motion
Uniform motion
When a moving body covers equal distances in equal intervals of time along a straight path, its speed and velocity remain constant. This type of motion is known as uniform motion.
When a moving body covers equal distances in equal intervals of time along a straight path, its speed and velocity remain constant. This type of motion is known as uniform motion.
A car cruising on a straight highway at a constant speed of 60 km/h on your speedometer is performing uniform motion.
Uniform = Un-changing speed (Equal distance in Equal time).
v=tsтАЛ тАФ Speed formula
a=╬Фt╬ФvтАЛ=0 тАФ Acceleration in uniform motion
In uniform motion, the acceleration of the body is zero because there is no change in velocity (both magnitude and direction remain constant) over time. According to Newton's first law, an object moving in a straight line with constant speed experiences zero net external force.
In uniform motion, average speed equals instantaneous speed.
The distance-time graph for uniform motion is always a straight line inclined to the time axis.
Acceleration is zero because velocity does not change with time.
Predictable position and time calculations using simple linear equations.
Rarely observed in practical real-world scenarios due to friction and air resistance.
Light traveling through a vacuum
A satellite moving in a circular orbit at constant speed (uniform speed, though accelerated due to direction change, straight-line uniform motion has zero acceleration)
Non-uniform motion occurs when a body covers unequal distances in equal intervals of time.
Option A (Non-uniformly accelerated motion) implies changing acceleration.
Option B (Uniformly accelerated motion) implies constant non-zero acceleration (aюАа=0).
Option D is the correct choice since distance per second is constant (10┬аm/s).
D is correct тАФ A body covering equal distances in equal intervals of time along a straight line possesses constant speed and zero acceleration, which defines uniform motion.
Always check both the path (straight line vs curved) and the time-interval distance constancy when distinguishing between uniform motion and uniformly accelerated motion.
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