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Questions and Answers
Which of the following is an example of a contact force?
Which of the following is an example of a contact force?
- Electric force
- Friction (correct)
- Gravity
- Magnetic force
What is the SI unit of force?
What is the SI unit of force?
- Joule
- Watt
- Pascal
- Newton (correct)
Which of the following is an example of a non-contact force?
Which of the following is an example of a non-contact force?
- Tension force
- Air resistance
- Electric force (correct)
- Normal force
Study Notes
Types of Forces
- An example of a contact force is when a person pushes a box, where the person's hands are in direct contact with the box.
- The SI unit of force is the Newton (N).
- An example of a non-contact force is the gravitational force between the Earth and a falling object, where there is no physical contact between the two objects.
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Description
Test your knowledge of forces in science class 8 with this quiz! Challenge yourself to identify examples of both contact and non-contact forces, as well as the SI unit of force. Sharpen your understanding of this fundamental concept in physics and boost your confidence for your next science quiz or exam.
