Aerhonemmanuel11idn
Answered

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Learning Task 6: Study the following situations and answer the question for each. Remember what you have
learned about gravity and frction. Write your explanations on your answer sheet.
1. Piace a book on top of a table. What keeps the book from faling? How is this possible?
2. Roll a marble on top of a level surface. Make it stop. Slide a light book on top of the same level
surface by giving it an initial push. Did the book continue to slide? What is responsible for mcking
the sliding book slow down and eventually stop?
3. Drop a small stone and a piece of paper from the same height at the same time. Observe closely
the motion of the stone and the paper as they fall. Which of them reached the ground first? Why
did not the other one reach the ground at the same time as the first?
4. What is the importance of friction in our daily life?
5. Why do we need gravity?​

Sagot :

Asianaquilanidn

Answer:

1.Gravity pulls the book down, but it doesn't fall down.

2.The book did not continue to slide. Friction is responsible for making the sliding book slow down and eventually stop.

3.Since stone and pencil are falling in a vacuum, there will be no air resistance on them. Hence, time taken for them to reach the ground will be same.

4.Friction is what holds your shoe to the ground. The friction present on the ice is very little, this is the reason why it is hard to walk on the slippery surface of the ice. Writing – A frictional force is created when the tip of the pen comes in contact with the surface of the paper.

5.Gravity is very important to us. We could not live on Earth without it. The sun's gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun's light and warmth. It holds down our atmosphere and the air we need to breathe.

Explanation:

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