Advertisements
Advertisements
प्रश्न
Write true or false.
A wet oily road offers more friction than a dry rough road.
विकल्प
True
False
Advertisements
उत्तर
False
APPEARS IN
संबंधित प्रश्न
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms.
To stretch the bow, the archer applies a force that causes a change in its ______.
Fill in the blank.
Friction ....................... the motion.
Fill in the blank.
Lubricants are used to ..................... friction.
Give one example of changes the direction of motion to indicate that the application of a force?
Name the type of force which act in the following case:
A horse moves a cart
It is difficult to walk on a wet road. Explain.
Answer the following in a word or two or in a sentence.
Which force is responsible for supporting the weight of a book placed on a table?
Answer the following in detail.
List all the forces acting on a boy sitting on a chair with the help of a suitable diagram.
Name the type of force which act in the following case:
A string hangs with a load.
Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move at the same speed? Give reasons for your answer.
