Learning Task 6: Study the following situations and answer the question for
each. Remember what you have learned about gravity and friction. Write
your explanations on your answer sheet.
1.
Place a book on top of a table. What keeps the book from falling?
How is this possible?
2.
Rolla 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 making 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?
pls answer
sorry science po ito
each. Remember what you have learned about gravity and friction. Write
your explanations on your answer sheet.
1.
Place a book on top of a table. What keeps the book from falling?
How is this possible?
2.
Rolla 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 making 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?
pls answer
sorry science po ito
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Answers & Comments
Answer:
1.Gravity pulls the book down, but it doesn't fall down. Therefore there has to be some force that also pushes the book up.
2.The book did not continue to slide.
The book did not continue to slide.Friction is responsible for making the sliding book slow down and eventually stop.
3.PAPER
the paper is much speeder bacause its flat And the stone is small so it motion to aur gravity is slow
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.
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