Types of Motion

Q.

Question 1 (iii)
Classify the following as motion along a straight line, circular or oscillatory motion:
(iii) Motion of a child in a merry-go-round.

Q.

Question 1 (ii)
Classify the following as motion along a straight line, circular or oscillatory motion:
(ii) Motion of a horse pulling a cart on a straight road.

Q. The motion of a pendulum is:

1. Curvilinear
2. Rectilinear
3. Oscillatory
4. Rotatory

Q. If an object changes its position with time, it is said to be in rest.

1. True
2. False

Q. Is rectilinear motion periodic ?

Q.

What is the difference between periodic and non periodic motion give example of each ?

Q. What do you mean by periodic motion? Give examples. Discuss the type of motion of the hands of a clock. [2 MARKS]

Q. What can you say about the motion of the minute hand of a clock kept in a moving bus as seen from the ground?

1. Rectilinear motion
2. Circular motion
3. Periodic motion
4. Complex motion

Q.

Arrange the following modes of transportation from the earliest to the newest ones.

1. Roadways, Airways, Waterways

2. Airways, Waterways, Roadways

3. Roadways, Waterways, Airways

4. Waterways, Roadways, Airways

Q.

Match the entries of column I with column II.

Activity	Type of Motion
(a) Movement of the tip of the minute hand of a clock	(i) Rotational motion
(b) A stone falling from a height in a straight line path	(ii) Circular motion
(c) Moving wheel of a sewing machine	(iii) Linear motion

1. (a) - (iii), (b) - (i), (c) - (ii)
2. (a) - (ii), (b) - (iii), (c) - (i)
3. (a) - (iii), (b) - (ii), (c) - (i)
4. (a) - (ii), (b) - (i), (c) - (iii)

Q. Find the final reading of the odometer, given below is the journey details:
Initial reading of the odometer $=3891km$
Journey time $=420mins$
Speed $=50km/h.$

Q. What is the difference between uniform and nonuniform motion?

Q. ___ consists of a frictionless pivot attached with a bob.

Q. Write true or false :​

A ball thrown by a boy from a roof-top has oscillatory motion.

Q.

Which of the following are examples of uniform velocity?

1. Motion of moon around earth

2. Motion of planet around sun

3. Motion of car on crowded road

4. Motion of a moving fan

Q. The linear speed of the tip of second arm of a clock is v. The magnitude of change in its velocity in 30 seconds is

Q.

What is Periodic motion

Q.

Question 1 (vi)
Classify the following as motion along a straight line, circular or oscillatory motion:
(vi) Motion of a train on a straight bridge.

Q. Which device records the distance travelled by a vehicle?

1. Thermometer
2. Speedometer
3. Barometer
4. Odometer

Q. If a car is moving along a straight road in the same direction, it is said to be in ____.

1. oscillatory motion
2. circular motion
3. rectilinear motion
4. periodic motion

Q.

A bee collecting pollen by moving from flower to flower shows_____________(periodic/ random) motion.

Q.

Plucked string of a sitar executes _______.

Q. The vibration of a tuning fork is an example of periodic motion.

1. False
2. True

Q.

Which of the following statements is/are correct about uniform circular motion?

1. Force acting on the body is zero.

2. Acceleration of the body is non-zero.

3. Tangential acceleration is non-zero.

4. Radial acceleration is zero.

Q. Which of the following is not an example of oscillatory motion?​

1. Plucking of a guitar swing ​
2. Movement of tuning fork​
3. Falling of a raindrop​
4. Swing of bob in a pendulum​

Q.

You must have heard the story of Newton discovering gravity by watching an apple falling from a tree. Before discovering the gravity, he must have given a thought about the kind of motion did the apple underwent.

The apple underwent ________ motion.

1. Rectilinear

2. Rotational

3. Vibratory

4. Circular

Q.

Which of the following is true with respect to periodic motion?

1. Both A and B

2. None of the above

3. It needs to be an oscillatory motion

4. It needs to pass through a particular point again and again

Q. If a body moves along a circular path, then it is said to be in:

1. Periodic motion
2. Rectilinear motion
3. Oscillatory motion
4. Circular motion

Q.

A power drill making a hole in a wooden piece describes rotatory and _______ motion.

Q. Crossword Puzzle:
Across
3. A cheetah running straight in a field is undergoing _______________ motion.
4. A motion that repeats itself after equal intervals of time is known as_______________ motion.
5. A girl swinging on a swing is undergoing ___________ motion.

Down
1. A violin string shows ______________ motion when struck.
2. A man jogging around a circular track is undergoing ___________________ motion.