ANAND CLASSES study material and Notes explore the key differences between rectilinear and translatory motion with definitions, examples, MCQs, and conceptual questions. Ideal for JEE, NEET, and CBSE Class 11 Physics preparation.
Difference Between Rectilinear Motion and Translatory Motion
| Feature | Rectilinear Motion | Translatory Motion |
|---|---|---|
| Definition | Motion along a straight line. | Motion where all points of a body move in the same direction and cover equal distances in the same time. |
| Path | Always a straight line. | Can be straight or curved. |
| Example | A car moving on a straight road, a falling stone. | A train moving on a track, a book sliding on a table. |
| Type of Motion | A special type of translatory motion. | General term that includes both rectilinear and curvilinear motion. |
| Nature | Always linear. | Can be linear or curvilinear. |
Key Points:
- Rectilinear motion is a type of translatory motion where the object moves in a straight line.
- Translatory motion includes both rectilinear and curvilinear motion (motion along a curved path).
MCQs on Rectilinear and Translatory Motion
1. In which type of motion do all points of a body move in the same direction and cover equal distances in the same time?
a) Rotational Motion
b) Vibrational Motion
c) Translatory Motion
d) Oscillatory Motion
✔ Answer: c) Translatory Motion
2. A car moving on a straight road is an example of:
a) Circular Motion
b) Rotational Motion
c) Rectilinear Motion
d) Oscillatory Motion
✔ Answer: c) Rectilinear Motion
3. Which of the following is a type of translatory motion?
a) Rectilinear Motion
b) Curvilinear Motion
c) Both (a) and (b)
d) None of these
✔ Answer: c) Both (a) and (b)
4. The motion of a falling stone from a height is an example of:
a) Rotational Motion
b) Curvilinear Motion
c) Rectilinear Motion
d) Vibratory Motion
✔ Answer: c) Rectilinear Motion
5. Which of the following is NOT an example of rectilinear motion?
a) A car moving in a straight line
b) A train moving on a straight track
c) A thrown ball following a parabolic path
d) A freely falling object
✔ Answer: c) A thrown ball following a parabolic path
Conceptual Questions with Answers
Q1. Define rectilinear motion with an example.
Ans: Rectilinear motion is the motion of an object along a straight line. For example, a car moving on a straight road or a ball falling freely under gravity.
Q2. What is translatory motion? Give an example.
Ans: Translatory motion is a type of motion in which all points of a body move in the same direction, covering equal distances in the same time. An example is a train moving on a track.
Q3. Differentiate between rectilinear and curvilinear motion.
Ans:
- Rectilinear Motion: Motion along a straight path (e.g., a cyclist riding on a straight road).
- Curvilinear Motion: Motion along a curved path (e.g., a satellite orbiting Earth).
Q4. Is rectilinear motion always a type of translatory motion? Explain.
Ans: Yes, rectilinear motion is a type of translatory motion because all points of the object move in the same direction with the same velocity.
Q5. Can an object have translatory motion without rectilinear motion?
Ans: Yes, an object can have translatory motion without rectilinear motion if it follows a curved path, known as curvilinear motion.
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