Experiment and explain finding resultant force of several forces on the same plane acting on objects.
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Q 1/20
Score 0
What is the SI unit of pressure?
30
Joule (J)
Newton (N)
Pascal (Pa)
Meter (m)
Q 2/20
Score 0
A pin easily bursts a balloon because it concentrates force over a small area. What does this demonstrate?
30
Low pressure due to large area
High pressure due to small area
Gravity
Low force applied by the pin
20 questions
Q.
What is the SI unit of pressure?
1
30 sec
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Q.
A pin easily bursts a balloon because it concentrates force over a small area. What does this demonstrate?
2
30 sec
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Q.
If a person applies a force of 50 N over an area of 0.5 m², what is the pressure exerted?
3
30 sec
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Q.
How does fluid pressure change as you go deeper underwater?
4
30 sec
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Q.
Which factor does NOT affect fluid pressure at a certain depth?
5
30 sec
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Q.
An underwater diver is at a depth where the pressure is 3000 Pa. If the density of seawater is 1000 kg/m³ and gravity is 9.8 m/s², what is the approximate depth?
6
30 sec
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Q.
If you swim twice as deep in water, what happens to the pressure you experience?
7
30 sec
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Q.
Why do dam walls get thicker towards the base?
8
30 sec
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Q.
A force of 200 N is applied over an area of 2 m². What is the pressure exerted?
9
30 sec
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Q.
Why do deep-sea fish have strong bodies?
10
30 sec
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Q.
What happens to atmospheric pressure as altitude increases?
11
30 sec
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Q.
A diver is at a depth of 30 m underwater. If the density of water is 1000 kg/m³ and gravity is 9.8 m/s², what is the pressure at that depth?
12
30 sec
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Q.
Why does a syringe's plunger push up when a hole is made at the bottom?
13
30 sec
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Q.
A swimmer at the surface of a lake experiences less pressure than a diver below. Why?
14
30 sec
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Q.
A 500 N force is exerted over an area of 0.5 m². What is the pressure?
15
30 sec
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Q.
Why do we feel a difference in our ears when we go underwater?
16
30 sec
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Q.
A pressure gauge reads 9800 Pa at a certain depth in water. If the density of water is 1000 kg/m³ and g=9.8 m/s², what is the depth?
17
30 sec
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Q.
If you apply the same force on two surfaces, one large and one small, which will experience higher pressure?
18
30 sec
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Q.
Why does liquid pressure increase with depth?
19
30 sec
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Q.
In which situation would you experience the highest fluid pressure?
