Motion and Meas...

In circular motion, the

 Match the following and select the correct option from the codes given below.

 A cyclist moves from a certain point P and goes round a circle of radius a and reaches Q, exactly at the other side of the point P as shown in figure. The displacement of the cyclist would be 

 Read the given statements and select the correct option,

 What causes a moving body to resist a change in its state of motion? 

 A rider on horse falls back when horse starts running all of a sudden because

 One centimeter on a scale is divided into 20 equal divisions. The least count (minimum value) of this scale is

Which of the following motions is/are periodic as well as oscillatory motion?

 Which of the following statements is correct?

Four pieces of wooden sticks P, Q, R and S are placed along the length of 15 cm long scale as shown in figure. What is the average length of these sticks?

Direction: Observe the given situation and answer the following question. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure. Which one of the following paths does show the displacement?

Direction: Observe the given situation and answer the following question. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure. Which of the following is correct statement for the given situation?

Which of the following statements is incorrect?

 While measuring the length of a wooden box, the reading at one end is 1.5 cm and the other end is 4.7 cm. What is the length of the wooden box?

Motion of strings of a guitar shows

Study the given Venn diagram, Which of the motions described by different bodies are most likely to be I, II and III?

Two identical metal balls A and 8 moving in opposite directions with different speeds hit each other at point X as shown in the figure. Changes will most likely appear in their

 1.  Shapes    

 2.  Speeds

3.  Directions

4.  Volumes

 A pendulum swings backwards and forwards passing through Y, middle point of the oscillation.      The first time the pendulum passes through Y, a  stopwatch is started.

The twenty-first time the pendulum pass through Y, the stopwatch is stopped. The reading is T. What is the time period of the pendulum?

Given figure shows a measuring cylinder ( in cm³ ) before and after the immersion of an irregular solid object. The volume of the object is

 A piece of thread folded 6 times is placed along a 15 cm long measuring scale as shown in the figure. The length of the thread is between

X is the comparison of an unknown quantity with a known quantity. Identify X

Which of the following is a standard unit of measurement?

What is the S.I. unit of length?

 The given figure shows the positions of the eye while measuring the length on the ruler.  

Which of the given positions of the eye are inaccurate techniques?

What fraction of a metre is 1 mm?

Identify the ascending order of the magnitudes of length.

On what factors does the choice of a length-measuring device depend?

Find the length of the object in the figure given below. 

 Which of the following is used to measure the length of a curved surface?

How does a tailor take body measurements?