CBSE Class 8 Science Exploring Forces (Class 8 NCERT New) Quiz 2

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CBSE › Class 8 › Science › Exploring Forces (Class 8 NCERT New)

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1. What is the force that acts between two objects in contact?

A Buoyant Force B Magnetism C Friction D Gravity

2. Which of the following is an example of a non-contact force?

A Tension B Magnetic Force C Friction D Normal Force

3. What is the buoyant force?

A The force of gravity on an object B The upward force exerted by a fluid C The weight of an object D The force of friction on an object

4. Which amongst the two depends on gravity ?

A Mass and weight B Weight C Mass D none

5. Which of the following best describes buoyancy?

A The force of friction on an object B The ability of an object to sink C The ability of an object to float D The force of gravity on an object

6. What happens to an object when the buoyant force is greater than its weight?

A It floats B It remains at the same level C It sinks D It moves sideways

7. Which of the following forces is responsible for an object sinking in water?

A Buoyant Force B Tension C Gravity D Friction

8. What principle explains why ships float?

A Newton's First Law B Archimedes' Principle C Bernoulli's Principle D Law of Conservation of Mass

9. How does increasing the volume of an object affect its buoyancy?

A It has no effect B It increases buoyancy C It decreases buoyancy D It depends on the object's mass

10. Which of the following is NOT a contact force?

A Friction B Tension C Magnetic Force D Normal Force

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