Conservation of Momentum
★Exhibit Content: Conservation of Momentum ★Interaction: Mechanical Interaction ★Operation: Lift one of the balls on the side and release it to observe the collision effect; also lift 2, 3, or 4 balls at the same time and see the difference. ★Exhibit Description: This exhibit demonstrates the law of conservation of momentum through the transfer of momentum between swinging balls. It consists of a base and a row of suspended balls. Balls of equal mass are fixed by hanging strings and arranged closely together. When the metal ball at one end is lifted and released, the momentum and energy obtained are transferred one by one through perfectly elastic collisions to the other suspended steel balls. The ball at the outermost end on the other side cannot transfer its momentum and is ejected. The balls at both ends continue to move, while the adjacent metal balls in the middle remain essentially stationary. The steel balls at both ends eventually slow down and stop due to resistance. Participants can grab a ball at one end, pull it a certain distance while keeping the strings taut, and then release it to collide with the adjacent ball, thereby verifying the law of conservation of momentum. ★Scientific Principle: After the metal balls collide, the same number of balls bounce up and move in the opposite direction. Why is this? Because the law of conservation of momentum states that if a system is not subject to external forces or the sum of external forces is zero, the total momentum of the system remains constant. Momentum is expressed as: p=mv (p represents momentum, m represents mass, v represents velocity in a given direction). Any change in the direction of motion of a ball will result in a change in momentum, which can only occur under the action of an external force. The law of conservation of momentum, together with the law of conservation of energy and the law of conservation of angular momentum, forms the three fundamental conservation laws in modern physics.
Options
- 1.3*0.6*1.5 · Style 1 1.3*0.6*1.5Dimensions (unit: m): 1.3*0.6*1.5 Brand: KexMall Model: PopsciCat-mechanics-131 1. Materials: ① Base: frame 2mm cold-rolled steel plate, enclosure 2.0mm cold-rolled steel plate with color separation and baking finish, rounded without sharp edges ② Tabletop: Kelesi artificial stone, thickness ≥12mm, with flame-retardant board underneath ③ Instruction plate, graphic panel: acrylic UV printing ④ Steel balls: ≥60mm diameter ⑤ Support: seamless tube ≥30mm diameter ⑥ Maintenance door: 2.0mm cold-rolled plate with surface baking finish 2. Main configuration: None 3. Installation requirements: ① Energy requirement: None ② Installation base: place directly ③ Entry passage: door frame size (width×height) ≧0.8m×1.8m, continuous turning interval of passage ≧1.8m ④ Maintenance access: not required
★Exhibit Content: Conservation of Momentum ★Interaction: Mechanical Interaction ★Operation: Lift one of the balls on the side and release it to observe the collision effect; also lift 2, 3, or 4 balls at the same time and see the difference. ★Exhibit Description: This exhibit demonstrates the law of conservation of momentum through the transfer of momentum between swinging balls. It consists of a base and a row of suspended balls. Balls of equal mass are fixed by hanging strings and arranged closely together. When the metal ball at one end is lifted and released, the momentum and energy obtained are transferred one by one through perfectly elastic collisions to the other suspended steel balls. The ball at the outermost end on the other side cannot transfer its momentum and is ejected. The balls at both ends continue to move, while the adjacent metal balls in the middle remain essentially stationary. The steel balls at both ends eventually slow down and stop due to resistance. Participants can grab a ball at one end, pull it a certain distance while keeping the strings taut, and then release it to collide with the adjacent ball, thereby verifying the law of conservation of momentum. ★Scientific Principle: After the metal balls collide, the same number of balls bounce up and move in the opposite direction. Why is this? Because the law of conservation of momentum states that if a system is not subject to external forces or the sum of external forces is zero, the total momentum of the system remains constant. Momentum is expressed as: p=mv (p represents momentum, m represents mass, v represents velocity in a given direction). Any change in the direction of motion of a ball will result in a change in momentum, which can only occur under the action of an external force. The law of conservation of momentum, together with the law of conservation of energy and the law of conservation of angular momentum, forms the three fundamental conservation laws in modern physics.
- 1.3*0.6*1.5 · Style 2 1.3*0.6*1.5Dimensions (unit: m): 1.3*0.6*1.5 Brand: KexMall Model: PopsciCat-mechanics-132 1. Materials: ① Base: frame 2mm cold-rolled steel plate, enclosure 2.0mm cold-rolled steel plate with color separation and baking finish, rounded without sharp edges ② Tabletop: Kelesi artificial stone, thickness ≥12mm, with flame-retardant board underneath ③ Instruction plate, graphic panel: acrylic UV printing ④ Steel balls: ≥60mm diameter ⑤ Support: seamless tube ≥30mm diameter ⑥ Protective cover: transparent acrylic + custom-colored acrylic according to actual needs 2. Main configuration: None 3. Installation requirements: ① Energy requirement: None ② Installation base: place directly ③ Entry passage: door frame size (width×height) ≧0.8m×1.8m, continuous turning interval of passage ≧1.8m ④ Maintenance access: not required
★Exhibit Content: Conservation of Momentum ★Interaction: Mechanical Interaction ★Operation: Lift one of the balls on the side and release it to observe the collision effect; also lift 2, 3, or 4 balls at the same time and see the difference. ★Exhibit Description: This exhibit demonstrates the law of conservation of momentum through the transfer of momentum between swinging balls. It consists of a base and a row of suspended balls. Balls of equal mass are fixed by hanging strings and arranged closely together. When the metal ball at one end is lifted and released, the momentum and energy obtained are transferred one by one through perfectly elastic collisions to the other suspended steel balls. The ball at the outermost end on the other side cannot transfer its momentum and is ejected. The balls at both ends continue to move, while the adjacent metal balls in the middle remain essentially stationary. The steel balls at both ends eventually slow down and stop due to resistance. Participants can grab a ball at one end, pull it a certain distance while keeping the strings taut, and then release it to collide with the adjacent ball, thereby verifying the law of conservation of momentum. ★Scientific Principle: After the metal balls collide, the same number of balls bounce up and move in the opposite direction. Why is this? Because the law of conservation of momentum states that if a system is not subject to external forces or the sum of external forces is zero, the total momentum of the system remains constant. Momentum is expressed as: p=mv (p represents momentum, m represents mass, v represents velocity in a given direction). Any change in the direction of motion of a ball will result in a change in momentum, which can only occur under the action of an external force. The law of conservation of momentum, together with the law of conservation of energy and the law of conservation of angular momentum, forms the three fundamental conservation laws in modern physics.
Review
Principle Display: ★★★★ Interaction Effect: ★★★★ Ease of Installation: ★★★★★ Durability: ★★★ Overall Rating: ★★★★