Question 2 :
Motion of the hammer of an electric bell is classified as:
Question 3 :
<img src='61b1cb9af59b460d7261ec69' />
In the above figure, a simple pendulum is oscillating between two points A and B. Is the motion of the bob uniform or non-uniform?
Question 4 :
<img src='61b1cb94f59b460d7261ec63' />
In the above figure, clock A has an hour and a minute hand, whereas clock B has an hour hand, minute hand as well as a second hand. Which of the following statement is correct for these clocks?
Question 5 :
Boojho walks to his school which is at a distance of 3 km from his home in 30 minutes. On reaching he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes. His average speed in km/h is
Question 6 :
Boojho is wondering how many hours are there are in a year. Can you help him ?
Question 7 :
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 a.m. At 08:50 a.m., the odometer reading has changed to 57336.0 km. Calculate the speed of the car in km/min during this time.
Question 8 :
State true or false: The basic unit of time is second.
Question 9 :
Classify the following as motion along a straight line, circular or oscillatory motion : Motion of your hands while running.
Question 11 :
Motion of a train on a straight bridge is classified as:
Question 13 :
Which of the following distance-time graph shows a truck moving at the speed which is not constant ?
Question 15 :
A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum?
Question 16 :
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels in a higher speed?
Question 17 :
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2m/s, calculated the distance between her house and the school.
Question 18 :
<img src='61b1cc15f59b460d7261ed03' />
The above figure shows the distance-time graph for the motion of two vehicles A and B. Which one of the following is moving faster?
Question 19 :
The odometer of a car reads 57, 321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08 : 50 AM, the odometer reading has changed to 57, 336.0 km ?
Question 20 :
State whether the statement is correct or not : The speed of a train is expressed in m/h.
Question 21 :
<img src='61b1cb93f59b460d7261ec61' />
In the above figure, a foot ball ground is given. Boojho goes to the football ground to play football. The distance-time graph of his journey from his home to the ground is given above as figure. Is the motion between 0 to 4 minutes uniform or nonuniform?
Question 22 :
A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is
Question 23 :
Classify the following as motion along a straight line, circular or oscillatory motion : Motion of a hammer on an electric bell.
Question 25 :
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 a.m. At 08:50 a.m., the odometer reading has changed to 57336.0 km. Calculate the speed of the car in km/h during this time.