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प्रश्न
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
उत्तर
A body moving in a circle with constant speed but variable velocity as the velocity of the body at any point is along the tangent to the circle at that point as shown in the figure.
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संबंधित प्रश्न
What does the odometer of an automobile measure?
Change the speed of 6 m/s into km/h.
Arrange the following speed in increasing order (keeping the least speed first):
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A car is moving on a straight road with uniform acceleration. The speed of the car varies with time as follows :
Time (s) : 0 2 4 6 8 10
Speed (m/s) : 4 8 12 16 20 24
Draw the speed-time graph by choosing a convenient scale. From this graph :
(1) Calculate the acceleration of the car.
(2) Calculate the distance travelled by the car in 10 seconds.
Which of the following could not be a unit of speed?
The speed of a car is 72 km h-1. Express it in m s-1.
Express 15 m s-1 in km h-1.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Give two examples of uniform circular motion from your daily life.
