80 jules/20meters= 40Newtons
multiply coefficient of static friction by object mass
It is polarized at 90 degrees to the plane of incidence. If the surface is horizontal, the plane of incidence is vertical & the polarization would be horizontal.
When a horizontal pressure is applied to rocks, the earth's surface will form lines that are perpendicular to the direction of the pressure. This can be compared to folds in a wrinkled rug lying on a floor.
Speed and distance
working distance
If an object is rolling along a plane horizontal surface with no other forces acting on it, then rolled distance is directly proportional to the time taken.If an object is rolling along a plane horizontal surface with no other forces acting on it, then rolled distance is directly proportional to the time taken.If an object is rolling along a plane horizontal surface with no other forces acting on it, then rolled distance is directly proportional to the time taken.If an object is rolling along a plane horizontal surface with no other forces acting on it, then rolled distance is directly proportional to the time taken.
The amount of separation between two horizontal surface/Plane
No fixed answer, depends on the surface.
multiply coefficient of static friction by object mass
It is polarized at 90 degrees to the plane of incidence. If the surface is horizontal, the plane of incidence is vertical & the polarization would be horizontal.
Perpendicular
because the datum surface is perpendicular tothe direction of gravity at any point on it.but the horizontal surface is perpendicular to vertical at one point on it :D
A level is a tool that is placed on a solid surface. There is a string hanging on the level, and if it tilts, the surface isn't an even horizontal surface. If the string doesn't tilt, the surface is even.
A flat surface generally refers to a horizontal surface and is referred to as the plane.
A flat surface generally refers to a horizontal surface and is referred to as the plane.
horizontal.