Elasticity presentation device for physical teaching

The utility model relates to an elasticity presentation device for physical teaching, including base, body, spring, iron ball, its characterized in that: be provided with the body of erectting in the upper end of base, be provided with the elasticity piece of the U bodily form at the inboard lower extreme of base, be fixed with the spring at the end intermediate position lower extreme that opens of elasticity piece, be provided with the handle of cylinder in the upper end of elasticity piece, be provided with the anti -skidding line of a plurality of hemispheroids in the outside of handle, the body is the taper shape that a transparent material preparation formed, and the lower extreme aperture efficiency upper end open -ended diameter of body is 6 millimeters little, is provided with the scale mark on the outer wall of body, the iron ball is the sphericity of a stainless steel preparation, and the diameter ratio body lower extreme open -ended diameter of iron ball is 2 millimeters big. The utility model discloses simple structure shows clearly, directly perceived to make the student produce darker perceptual knowledge, reach the classroom teaching purpose.