Podcast
Questions and Answers
What is force?
What is force?
- Something that changes color of objects
- A pull on an object
- A push on an object (correct)
- Something that slows down objects
Which force keeps us on the ground and gives objects weight?
Which force keeps us on the ground and gives objects weight?
- Normal force
- Gravity (correct)
- Friction
- Magnetic force
What type of force opposes motion when two surfaces rub against each other?
What type of force opposes motion when two surfaces rub against each other?
- Magnetic force
- Applied force
- Gravity
- Friction (correct)
Which force is responsible for attracting or repelling objects made of certain materials like iron or steel?
Which force is responsible for attracting or repelling objects made of certain materials like iron or steel?
When we push or pull different objects to move them, what type of force are we applying?
When we push or pull different objects to move them, what type of force are we applying?
What effect does gravity have on the motion of objects when they are dropped or thrown?
What effect does gravity have on the motion of objects when they are dropped or thrown?
Which type of force could you demonstrate by rubbing your hands together or pushing objects across different surfaces?
Which type of force could you demonstrate by rubbing your hands together or pushing objects across different surfaces?
Which type of force is generated when sandpaper is rubbed over paper?
Which type of force is generated when sandpaper is rubbed over paper?
What is the main characteristic of static friction?
What is the main characteristic of static friction?
When does dynamic friction occur?
When does dynamic friction occur?
Which type of force plays a role in keeping objects on the ground and giving them weight?
Which type of force plays a role in keeping objects on the ground and giving them weight?
What is the definition of Contact Force?
What is the definition of Contact Force?
What characteristic makes gravity different from other forces?
What characteristic makes gravity different from other forces?
Which of the following is NOT a type of contact force mentioned in the text?
Which of the following is NOT a type of contact force mentioned in the text?
What property of friction distinguishes static friction from kinetic friction?
What property of friction distinguishes static friction from kinetic friction?
Which force type is described as not allowing anything to slide smoothly along its pathway?
Which force type is described as not allowing anything to slide smoothly along its pathway?
What property of gravitational forces sets them apart from other forces?
What property of gravitational forces sets them apart from other forces?
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