Learn › Homi Bhabha Class 6 · Physics › Motion and Types of Motion
Motion and Types of Motion — Homi Bhabha Class 6 Physics MCQs with Solutions
Free Homi Bhabha Class 6 Physics Motion and Types of Motion MCQs with step-by-step solutions covering Types of Motion, Periodic & Non-periodic Motion, Random & Oscillatory Motion, Speed Calculations. Practise online on Prepizo — no login needed.
▶ Practise Motion and Types of Motion online (free)
Subtopics
Sample questions with solutions
Q1 — Types of Motion · easy · theory
A car moving on a straight highway shows which type of motion?
A. Oscillatory motion
B. Rectilinear (straight-line) motion ✓ Correct
C. Circular motion
D. Rotational motion
Solution: Moving along a straight line is called rectilinear motion.
Q2 — Types of Motion · easy · theory
The tips of the hands of a wall clock move in which type of motion?
A. Random motion
B. Straight-line motion
C. To-and-fro motion
D. Circular motion ✓ Correct
Solution: The tips of clock hands move along a circle, so it is circular motion.
Q3 — Types of Motion · easy · theory
A child going up and down on a see-saw shows which type of motion?
A. Circular motion
B. Rectilinear motion
C. Oscillatory (to-and-fro) motion ✓ Correct
D. Rotational motion
Solution: A see-saw moves to and fro about a fixed point, which is oscillatory motion.
Q4 — Types of Motion · easy · theory
A spinning top turning about its own point shows mainly which type of motion?
A. Straight-line motion
B. Rotational (spinning) motion ✓ Correct
C. Random motion
D. Oscillatory motion
Solution: An object turning about its own axis shows rotational motion.
Q5 — Periodic & Non-periodic Motion · easy · theory
Motion that repeats itself after a fixed interval of time is called:
A. Random motion
B. Straight-line motion
C. Periodic motion ✓ Correct
D. Non-periodic motion
Solution: Periodic motion repeats again and again after a fixed time interval.
Q6 — Periodic & Non-periodic Motion · easy · theory
Which of these is an example of periodic motion?
A. A car stuck in traffic
B. A leaf falling in the wind
C. The swinging of a pendulum ✓ Correct
D. A butterfly flying about
Solution: A pendulum repeats its swing after a fixed time, so it is periodic motion.
Q7 — Periodic & Non-periodic Motion · easy · theory
The beating of your heart is an example of:
A. Non-periodic motion
B. Random motion
C. Rectilinear motion
D. Periodic motion ✓ Correct
Solution: The heart beats again and again at regular intervals, so it is periodic motion.
Q8 — Periodic & Non-periodic Motion · easy · theory
Which of these is a non-periodic motion?
A. A bee flying here and there ✓ Correct
B. The hands of a clock
C. A swinging pendulum
D. A rotating Earth
Solution: A bee’s flight does not repeat at fixed intervals, so it is non-periodic motion.
Q9 — Random & Oscillatory Motion · easy · theory
Motion of an object moving to and fro about a fixed point is called:
A. Rectilinear motion
B. Oscillatory motion ✓ Correct
C. Random motion
D. Circular motion
Solution: To-and-fro motion about a fixed point is called oscillatory motion.
Q10 — Random & Oscillatory Motion · easy · theory
Irregular motion with no fixed path or direction is called:
A. Circular motion
B. Random motion ✓ Correct
C. Oscillatory motion
D. Periodic motion
Solution: Random motion has no fixed path and keeps changing direction.
Q11 — Random & Oscillatory Motion · easy · theory
Which of these is an example of oscillatory motion?
A. A car on a straight road
B. A spinning fan
C. A rolling marble
D. A swing moving back and forth ✓ Correct
Solution: A swing moves to and fro about a fixed point, which is oscillatory motion.
Q12 — Random & Oscillatory Motion · easy · theory
Which of these is an example of random motion?
A. A pendulum in a clock
B. A guitar string vibrating
C. A swing being pushed
D. A butterfly flying in a garden ✓ Correct
Solution: A butterfly changes direction irregularly, so it shows random motion.
Q13 — Speed Calculations · easy · theory
The speed of an object is found using which formula?
A. Speed = Time ÷ Distance
B. Speed = Distance × Time
C. Speed = Distance ÷ Time ✓ Correct
D. Speed = Distance + Time
Solution: Speed is the distance travelled divided by the time taken.
Q14 — Speed Calculations · easy · numerical
A car travels 100 metres in 20 seconds. Its speed is:
A. 20 m/s
B. 120 m/s
C. 2 m/s
D. 5 m/s ✓ Correct
Solution: Speed = distance ÷ time = 100 ÷ 20 = 5 m/s.
Q15 — Speed Calculations · easy · theory
Which of these is a unit of speed?
A. kilogram (kg)
B. metre per second (m/s) ✓ Correct
C. degree Celsius (°C)
D. second (s)
Solution: Speed is distance over time, so its unit is metre per second (m/s).
Q16 — Speed Calculations · easy · numerical
A boy walks 12 metres in 3 seconds. His speed is:
A. 9 m/s
B. 36 m/s
C. 4 m/s ✓ Correct
D. 15 m/s
Solution: Speed = distance ÷ time = 12 ÷ 3 = 4 m/s.
Q17 — Types of Motion · hard · theory
A stone tied to a string is whirled round and round in a circle. Which type of motion is this?
A. Oscillatory motion
B. Random motion
C. Rectilinear motion
D. Circular motion ✓ Correct
Solution: The stone moves along a circular path, so it is circular motion, not to-and-fro (oscillatory) motion.
Q18 — Types of Motion · hard · theory
A pendulum in a clock shows oscillatory motion. Which of these ALSO shows oscillatory motion?
A. A car going straight on a road
B. The strings of a guitar being played ✓ Correct
C. A rolling football
D. The moon going around the Earth
Solution: Guitar strings vibrate to and fro about their rest position, which is oscillatory motion like a pendulum.
Q19 — Periodic & Non-periodic Motion · hard · theory
The moon revolves around the Earth in about 27 days each time. Its revolution is periodic because:
A. It repeats after the same fixed time ✓ Correct
B. It never comes back
C. It moves in an irregular way
D. It moves in a straight line
Solution: A motion is periodic when it repeats after a fixed time, as the moon does.
Q20 — Periodic & Non-periodic Motion · hard · theory
Consider: (i) sunrise every morning, and (ii) a kite moving here and there in the sky. Which is correct?
A. (i) is periodic and (ii) is non-periodic ✓ Correct
B. (i) is non-periodic and (ii) is periodic
C. Both are periodic
D. Both are non-periodic
Solution: Sunrise repeats at fixed times (periodic), while a kite’s path is irregular (non-periodic).
Q21 — Random & Oscillatory Motion · hard · theory
Which of these is oscillatory but NOT random?
A. A bird flying freely in the sky
B. Children running in a playground
C. A pendulum swinging back and forth ✓ Correct
D. A mosquito buzzing about
Solution: A pendulum has a regular to-and-fro path (oscillatory); the others move irregularly (random).
Q22 — Random & Oscillatory Motion · hard · theory
Why is the swinging of a swing called oscillatory, while the flight of a bee is called random?
A. The swing moves to and fro about a fixed point, but the bee has no fixed path ✓ Correct
B. The bee moves to and fro
C. Both of them move in circles
D. The swing has no fixed path
Solution: Oscillatory motion is a regular to-and-fro about a point, while random motion has no fixed path.
Q23 — Speed Calculations · hard · numerical
A train covers 240 km in 4 hours. Its speed is:
A. 60 km/h ✓ Correct
B. 120 km/h
C. 80 km/h
D. 40 km/h
Solution: Speed = distance ÷ time = 240 ÷ 4 = 60 km/h.
Q24 — Speed Calculations · hard · numerical
Which is faster, an object moving at 5 m/s or one moving at 3 m/s, and by how much?
A. Both are the same
B. The 3 m/s object, by 2 m/s
C. The 5 m/s object, by 2 m/s ✓ Correct
D. The 5 m/s object, by 8 m/s
Solution: 5 m/s is greater than 3 m/s, and the difference is 5 - 3 = 2 m/s.
Q25 — Types of Motion · medium · theory
A merry-go-round moving round and round shows which type of motion?
A. Oscillatory motion
B. Non-periodic motion
C. Rectilinear motion
D. Circular motion ✓ Correct
Solution: The seats move along a circular path, so it is circular motion.
Q26 — Types of Motion · medium · theory
A ball dropped from your hand falls straight down. This is an example of:
A. Rotational motion
B. Circular motion
C. Rectilinear motion ✓ Correct
D. Oscillatory motion
Solution: The ball moves along a straight downward line, which is rectilinear motion.
Q27 — Types of Motion · medium · theory
The needle of a sewing machine moving quickly up and down shows which type of motion?
A. Circular motion
B. Rotational motion
C. Straight-line motion only
D. Oscillatory (up-and-down) motion ✓ Correct
Solution: The needle repeats a to-and-fro up-and-down movement, which is oscillatory motion.
Q28 — Types of Motion · medium · theory
The wheels of a moving bicycle show two motions together. Which pair is correct?
A. Circular and oscillatory motion
B. Rotational and rectilinear motion ✓ Correct
C. Only random motion
D. Only oscillatory motion
Solution: Each wheel spins (rotational) while the whole bicycle moves forward (rectilinear).
Q29 — Periodic & Non-periodic Motion · medium · theory
The Earth takes 24 hours for one rotation, over and over again. This makes its rotation a:
A. Random motion
B. Rectilinear motion
C. Non-periodic motion
D. Periodic motion ✓ Correct
Solution: It repeats after a fixed time of 24 hours, so it is periodic motion.
Q30 — Periodic & Non-periodic Motion · medium · theory
Which of the following is NOT a periodic motion?
A. The pendulum of a wall clock
B. The needle of a working sewing machine
C. A cradle rocking at a steady rate
D. A flag fluttering in the wind ✓ Correct
Solution: A fluttering flag moves irregularly, not after a fixed time, so it is non-periodic.