Material for the horizontal surface:

wood
steel
zinc
concrete
glass
copper

Drag a material onto the empty slot to choose the horizontal surface

Click/Tap the wooden block on the top left to place it on the horizontal surface.

Choose an angle of inclination of the surface.

  1. Choose a material for the horizontal surface.
  2. The solid wooden cube has a mass of 1 kg. Place it on the surface. Note the coefficient of static friction and the normal force.
  3. Choose the incline of the surface. Note the change in the normal force. Note the size of the frictional force.
  4. Note the net force parallel to the surface.
  5. Click RESET to start again.