GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT an example of friction?
A
using the brakes on your bike to slow you down
B
putting your hand out the window
C
a satellite traveling through deep space
D
a hockey puck going across an ice rink
Explanation: 

Detailed explanation-1: -Answer: Lifting is not a type of friction.

Detailed explanation-2: -The frictional force from a fluid is called a drag force. Friction drag force causes objects to slow down as they move through a fluid, such as air or water. Drag force is especially dependent on the speed of an object. As an object’s speed increases, the drag force from the fluid increases exponentially.

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