NEET · Physics · Laws of Motion · Friction Type

Exercise and reference answers

Items

1. Item

   Acts before slipping starts

   Answer

   left

2. Item

   Acts while sliding

   Answer

   right

3. Item

   Adjusts to applied force up to μ_s·N

   Answer

   left

4. Item

   Roughly constant at μ_k·N

   Answer

   right

5. Item

   Maximum value usually larger

   Answer

   left

6. Item

   Smaller coefficient (μ_k < μ_s)

   Answer

   right

Categories

Left

Static friction

Right

Kinetic friction

Instructions

Sort each property: static or kinetic friction.