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SteveOh, dude, a sphere can't roll in a straight line. I mean, it's like trying to make a cat walk in a straight line - just not gonna happen. The shape of a sphere makes it roll in a curved path because of physics and stuff. So yeah, if you want something to roll straight, pick a different shape, like a cube or something.
Yes, a sphere can roll in a straight line if there is no external force or torque acting on it. When a sphere is rolling without slipping, its center of mass moves in a straight line while the sphere rotates about that center. This motion is governed by the principle of conservation of angular momentum and linear momentum.
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What is the radius of circle?
The radius of a circle or sphere is a straight line from the centre to the edge.
What is a solid with no flat faces and can roll?
a sphere
What is the diameter circumference?
Diameter is the length of a straight line passing through the center of a circle or sphere and connecting two points on the circumference of the circle or the surface of the sphere. Circumference is the length of the closed curve of a circle.
What is a flat surface of a solid that does not roll?
A face.
What is the diamater of a circle?
The diameter of a circle or sphere is the length of a straight line that touches both sides and passes through the centre.
