Translatory Motion

Q.

Salma takes $15$ minutes from her house to reach her school on a bicycle. If the bicycle has a speed of $2m/s$, calculate the distance between her house and the school.

Q. what is the difference between rotatory and circular motion ?

Q.

The formula to calculate the speed of an object is :

1. $\frac{Dis\tan ce}{time}$

2. $Dis\tan cexTime$

3. $\frac{Time}{Dis\tan ce}$

Q.

Speed is the ratio of distance covered and time.

1. True
2. False

Q. In which of the following case(s) can we say that the object is in motion?

1. Only if the object moves toward with respect to the observer.
2. If the object changes its position with respect to the observer.
3. Only if the object moves away with respect to the observer.
4. If the object doesn't change its position with respect to the observer.

Q.

Write the formula and SI unit of speed.

Q. A person goes from A to B at a speed of $40{\text{m s}}^{-1}$ and comes back from B to A at a speed of $60{\text{m s}}^{-1}$. What is his average speed?

1. $42{\text{m s}}^{-1}$
2. $40{\text{m s}}^{-1}$
3. $34{\text{m s}}^{-1}$
4. $48{\text{m s}}^{-1}$

Q.

The motion of the wheels of a horse driven cart is ________
a. Rectilinear
b. Translation
c. Rotational
d. Rotational and translation
Please explain me Rectilinear, Translation and Rotational.

Q.

Give one example of linear motion.

Q.

State the type of motion performed by a carpenters saw.

Q.

A ball thrown upward at an angle describes curvilinear motion.

1. True
2. False

Q.

The motion of a potters wheel is an example of _______ motion.

Q.

A stone thrown upward at an angle describes a rectilinear path.

1. True
2. False

Q. When an aeroplane takes off the runway, it is executing

1. linear motion
2. rotational motion
3. circular motion
4. oscillatory motion

Q. Kavita moves in a straight line path for 30 minutes in the north direction. She then turns right and moves for another 30 minutes in straight line path and finally reaches her destination. Identify the type of motion and final direction in which she is facing from the given options?

1. Linear motion
   West direction
2. Linear motion
   East direction
3. Non-Linear motion
   East direction
4. Circular motion
   East direction

Q.

Match the entries of column I with column II.

Activity	Type of Motion
(a) Elevator motion	(i) Oscillatory motion
(b) Pendulum of a clock	(ii) Rotational motion
(c) Movement of the merry-go-round	(iii) Linear motion

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

Q. With respect to the distance-time graph given below, the object is

1. in uniform motion
2. None of the above
3. at rest
4. in non-uniform motion

Q. If an object travels at a speed of $20m{s}^{-1}$ for the first $2seconds$ and $30m{s}^{-1}$ for the next 3 seconds, what is the total distance travelled?

1. $100m$
2. $150m$
3. $130m$
4. $60m$

Q.

Match the following:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ 1.\text{Soldiers in a march past}& A)\text{Periodic Motion}\\ 2.\text{A mark made on the blade of a rotating fan after switching off}& B)\text{Circular Motion}\\ 3.\text{Motion of a swing}& C)\text{Rectilinear Motion}\end{array}$

Select the appropriate option.

1. 1 - A, 2 - B, 3 - C

2. 1 - B, 2 - A, 3 - C

3. 1 - C, 2 - A, 3 - B

4. 1 - C, 2 - B, 3 - A

Q. Ram is travelling from Bangalore to Mysore. The initial reading of the odometer of his vehicle was 1020 km, and after reaching Mysore, the reading of the odometer changed to 1200 km. Determine the average speed of Ram if he took 3 hours to reach Mysore.

1. 1.6 m/s
2. 3 m/s
3. 16.6 m/s
4. 30 m/s

Q. Write in detail about your experience of various types of motion while riding a bicycle on a road. (2 marks)

Q.

Any motion that does not repeat itself after fixed interval of time__________.

Q. Nagendra is playing with a ball. The motions exhibited by the ball are curvilinear and rectilinear
and not circular
why

Q. What type of motion is depicted by the point at the centre of a ball, when the ball rolls on a straight line path?

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

Q. A car is moving in a circular path with a constant speed. Choose the INCORRECT statement.

1. The person sitting in the car is in circular motion.
2. The wheel of the car follows both oscillatory and periodic motion.
3. The wheel of the car follows both rotatory and periodic motion.
4. The person sitting in the car is stationary with respect to the driver.

Q.

Identify the following types of motions:

The needle of a sewing machine running at a constant speed.

Q.

In linear motion the direction of body _____________

Q.

Identify the following types of motions:

A bullet fired from a gun.

Q. Ramesh runs 50 m in 10 s. Calculate the speed of Ramesh.

1. 4 m/s
2. 8 m/s
3. 5 m/s
4. 10 m/s

Q.

Define rotatory motion and give two example.