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Questions and Answers
Which type of force requires physical contact between two surfaces?
Which type of force requires physical contact between two surfaces?
- Friction (correct)
- Magnetic force
- Electrical force
- Gravity
What are the three types of interactions that can cause an object to move or change?
What are the three types of interactions that can cause an object to move or change?
- Speed up, slow down, change direction (correct)
- Start, stop, change
- Push, pull, twist
- Contact, non-contact, physical
What is the main difference between contact and non-contact forces?
What is the main difference between contact and non-contact forces?
- Contact forces involve physical touch, while non-contact forces do not (correct)
- Contact forces can only change direction, while non-contact forces can change shape
- Contact forces are stronger than non-contact forces
- Contact forces only involve pushing, while non-contact forces involve pulling
Which force is a byproduct of contact forces?
Which force is a byproduct of contact forces?
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What is the purpose of a force?
What is the purpose of a force?
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