5 Questions
What is the simplest type of motion?
Motion in a straight line in one direction
What is the definition of speed?
Distance moved through a unit time
How can the speed in km/h be converted to m/s?
$ ext{Speed in km/h} imes rac{5}{18}$
What does it mean when an object's speed increases as time decreases?
The object's speed is inversely proportional with time
Which kind of speed refers to the motion at a constant rate?
Regular speed
Study Notes
Types of Motion
- The simplest type of motion is rectilinear motion, which is motion in a straight line.
Speed
- Speed is defined as the distance traveled per unit of time.
- Speed is a scalar quantity, which means it has only magnitude, not direction.
Converting Speed Units
- To convert speed from km/h to m/s, multiply by 0.277778 (since 1 km = 1000 m and 1 hour = 3600 s).
Acceleration
- If an object's speed increases as time decreases, it means the object is accelerating.
Types of Speed
- Uniform speed refers to motion at a constant rate, meaning the speed remains the same over time.
Test your understanding of motion in one direction with this quiz. Explore the basic concepts of straight-line motion and speed in this lesson.
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