Motion

Q.

A body is said to be in motion if its position changes with respect to time.

1. True

2. False

Q.

Define uniform speed. How is it different from uniform velocity?

Q.

A object changing its position with respect to a reference body with time is ____ with respect to the body.

1. None of the above

2. in motion

3. either at rest or in motion.

4. at rest

Q.

A body is said to undergo retardation if its speed increases with time. State true or false.

1. Non-uniform motion

2. Motion with uniform velocity

Q.

Two people are sitting inside a moving car. Since the car is moving, one person is in motion with respect to the other.

1. True

2. False

Q. The to and fro motion of a particle is known as .

1. oscillatory motion
2. uniform motion
3. non-uniform motion
4. periodic Motion

Q.

Motion along a curved line is called rectilinear motion.

1. True
2. False

Q. Statement 1: Earth is at rest with respect to a person standing on the Earth.

Statement 2: Earth is at rest with respect to a person standing on the Moon.

1. Both the statements are false.
2. Only statement 1 is correct.
3. Only statement 2 is correct.
4. Both the statements are true.

Q.

What is rectilinear motion?

Q.

What is the state of rest.

Q.

(i) Uniform retardation
(ii) Zero acceleration
(iii) Uniform poistive acceleration

Which of the following is true?

1. (I) - C

   (II) - B
   (III) - A

2. (III) - C

   (II) - B

   (I) - A

3. (II) - A

   (I) - C

   (III) - B

4. (i) - C

   (II) - A

   (III) - B

Q.

Identify the type of motion in following

Moving on a straight road.

Q.

What type of motion is associated with a pendulum?

Q. Which of the following statements is incorrect?

1. Earth is moving with respect to a person standing in space.
2. Moon is at rest with respect to a person on the earth.
3. Earth is at rest with respect to a person standing on the earth.
4. Motion cannot be defined without a frame of reference.

Q. Three cars A, B and C are moving side by side at the same velocity. Car C is behind the cars A and B. Which of the following statements is true?

1. Cars B and C are at rest with respect to each other.
2. Car A and B are at rest with respect to each other.
3. Car A and C are at rest with respect to each other
4. Cars A and B are in motion with respect to car C.

Q. When the position of a body with respect to its surroundings does not change with time, it is said to be .

1. accelerating
2. moving
3. at rest

Q.

A body is said to be at rest if it does not change its ___________with respect to a reference point.

1. mass

2. position

3. velocity

4. acceleration

Q. The given displacement-time graph represents which kind of motion?​​​​​​​

1. Circular motion
2. Non uniform motion
3. State of rest
4. Accelerated motion

Q.

Which type of motion does a train have when it is moving on a track?

Q.

The blades of windmill exhibit________.

1. Translatory motion

2. Vibratory motion

3. Rotatory motion

4. Oscillatory motion

Q. The slope of a velocity-time graph gives the acceleration of the body.

1. False
2. True

Q.

A body moving along a straight line with uniform speed is an example of a body having:

1. uniform velocity

2. variable velocity.

3. variable speed

4. None of these

Q.

In motion distance travelled by an object is directly proportional to time taken .What type of motion is observed in the motion?

Q.

Is anything properly uniform in this world and how can you say this?

Q. Match the following scenarios with their corresponding motions.

1. Moving ant
2. Clock pendulum
3. Ceiling fan motion

Q.

Give an example of rectilinear motion.

Q.

Convert a speed of $72\frac{km}{h}$ into $\frac{m}{s}.$

Q. With respect to vector quantities, which of the following is not correct?

1. Vectors cannot be added.
2. Vectors have magnitude as well as direction.
3. Velocity is a vector quantity.
4. The magnitude of a vector is represented by its length.

Q.

Define rectilinear motion?

Q.

The motion of a body is decided depending on the point of view.

1. False

2. True