3d Force and Pressure IV

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Question 1 of 8

1. Question
1 point(s)
The image shows a tennis player hitting a ball in a game. The ball is then moved in a curve trajectory towards her opponent. The curve trajectory of the ball can be explained by
- Pascal's Principle
- Bernoulli's Principle
- Archimedes Principle
- Principle of Conservation of Momentum
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Question 2 of 8

2. Question
1 point(s)
Which of the following appliances operates using Bernoulli's Principle?
- I. Aeroplane
- II. Carburetor
- III. Bunsen Burner
- IV. Cartesian Diver
- V. Insecticide sprayer
Correct

Incorrect
Question 3 of 8

3. Question
1 point(s)
Bernoulli's principle states that as the speed of a moving fluid increases, the pressure within the fluid ____________.
- increases
- decreases
- remain unchanged
- increases and then decreases
Correct

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Question 4 of 8

4. Question
1 point(s)
Which of the following instrument can be used to determine the density of a liquid?
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Question 5 of 8

5. Question
1 point(s)
An object floats in water with 10% of its volume above the water level. Calculate the density of the object if the density of water is 1000 kgm⁻³.
- 900 kg/m³
- 950 kg/m³
- 800 kg/m³
- 850 kg/m³
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Question 6 of 8

6. Question
1 point(s)
A block that has a volume of 0.05 m³ is hanging in a water tank as shown above. What is the tension of the string? [ Density of the metal = 4 × 10³ kgm⁻³, density of water = 1 × 10³ kg m⁻³]
- 1500 N
- 2000 N
- 500 N
- 2500 N
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Question 7 of 8

7. Question
1 point(s)
A block is made up of substance X. When the ball is placed in water, it floats on the surface of the water with part of the ball in the water. Among the statement below, which one is TRUE?
- I The weight of the ball is equal to the upthrust exerted on the ball
- II The density of substance X is greater than the density of water.
- III The upthrust exerted on the ball is equal to the weight of the displaced water by the ball.
- IV The volume of the displaced water is equal to the volume of the ball.
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Question 8 of 8

8. Question
1 point(s)
The figure shows some water flow through a tube with a constriction. Which of the following graph correctly describe the variation of the water velocity along the tube with its horizontal distance, x?
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