Force and Pressure– 3_2
Authored by Aishwaria Murthy
Science, Physics
8th Grade
Used 69+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the first sentence of the video?
Topic: Pressure.: Why is it difficult to cut with a blunt knife?
It Seems like you are hungry. Why don't you have an apple?
No. Don't use the blunt knife. Use the sharp knife.
Looks like you want to go ahead with the blunt knife only.
See, you are finding it difficult to cut the apple now.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the second sentence of the video?
Now, try cutting with the sharp knife. Look. The apple gets cut very easily. Confused, right?
It Seems like you are hungry. Why don't you have an apple?
No. Don't use the blunt knife. Use the sharp knife.
Looks like you want to go ahead with the blunt knife only.
See, you are finding it difficult to cut the apple now.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the third sentence of the video?
Now, try cutting with the sharp knife. Look. The apple gets cut very easily. Confused, right?
Let me explain. All this happens due to a concept called pressure.
No. Don't use the blunt knife. Use the sharp knife.
Looks like you want to go ahead with the blunt knife only.
See, you are finding it difficult to cut the apple now.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the fourth sentence of the video?
Now, try cutting with the sharp knife. Look. The apple gets cut very easily. Confused, right?
Let me explain. All this happens due to a concept called pressure.
What is Pressure? It is the force applied per unit area.
Looks like you want to go ahead with the blunt knife only.
See, you are finding it difficult to cut the apple now.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the fifth sentence of the video?
Now, try cutting with the sharp knife. Look. The apple gets cut very easily. Confused, right?
Let me explain. All this happens due to a concept called pressure.
What is Pressure? It is the force applied per unit area.
That means the pressure will be directly proportional to force and inversely proportional to area.
See, you are finding it difficult to cut the apple now.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the sixth sentence of the video?
Now, try cutting with the sharp knife. Look. The apple gets cut very easily. Confused, right?
Let me explain. All this happens due to a concept called pressure.
What is Pressure? It is the force applied per unit area.
That means the pressure will be directly proportional to force and inversely proportional to area.
Now, we applied the same amount of force on both knives.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the tools meant for cutting and piercing always have sharp edges? What is the seventh sentence of the video?
Then, why was the result different?
Let me explain. All this happens due to a concept called pressure.
What is Pressure? It is the force applied per unit area.
That means the pressure will be directly proportional to force and inversely proportional to area.
Now, we applied the same amount of force on both knives.
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