Physics
Grade-9
Easy
Question
Which is the odd one out?
- Causes moving objects to stop
- Stopping vehicles
- Slows down the speed
- Energy is wasted
Hint:
Stopping a vehicle needs a strong frictional force that possesses a high friction.
The correct answer is: Stopping vehicles
Stopping a vehicle is the odd one out.
- Static frictional force holds an object from moving.
- Stopping a vehicle needs a strong opposing force to resist the current force.
- An object that is in static friction does not move until the static force is removed.
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