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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

To find out the terminal velocity of a spherical body in water.

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1. The terminal velocity of a spherical body falling through water depends on:

a: Radius of sphere Explanation

Explanation

b: Density and viscosity of water Explanation

Explanation

c: Density of sphere Explanation

Explanation

d: All of above Explanation

Explanation

2. As a spherical body falls through water, its velocity:

a: Increases Explanation

Explanation

b: Decreases Explanation

Explanation

c: Remains constant Explanation

Explanation

d: Increases initially, then becomes constant Explanation

Explanation

3. When a spherical body reaches terminal velocity in water:

a: The drag force equals the sum of the weight and the buoyant force Explanation

Explanation

b: The buoyant force is less than the weight Explanation

Explanation

c: It experiences a decreasing drag force Explanation

Explanation

d: It continues to accelerate Explanation

Explanation

4. Which of the following factors does not affect the terminal velocity of a spherical body falling in water?

a: The density of the sphere Explanation

Explanation

b: The shape of the body (if it remains spherical) Explanation

Explanation

c: The viscosity of water Explanation

Explanation

d: Acceleration due to gravity Explanation

Explanation

5. Stokes' Law, which describes the viscous force on a spherical object moving through a fluid, is applicable when:

a: Flow is laminar Explanation

Explanation

b: Flow is turbulent Explanation

Explanation

c: Fluid is compressible Explanation

Explanation

d: Fluid is incompressible Explanation

Explanation

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