Genuine productsFactory-direct, or 10x refund
Curvilinear Motion Velocity Demonstrator
Brand：Jinri Lihua ｜ SKU：LT-761871
Request quoteMember price from ¥680.00 (log in) · Factory-direct · OEM/ODM & volume pricing
Size / capacity
曲线运动速度方向演示器
✓Ships from Shanghai stock✓Shock-proof packing · breakage replacement✓Official invoice✓Volume pricing / net terms
Specifications
| Brand | Jinri Lihua |
|---|---|
| Material | General lab material |
| Options | 1 variants |
Product Details
Key Features
- Shows velocity direction along curves via tangents
- Smooth rotation, repeatable traces
- Large demonstrator visible from back rows
Applications
- Velocity direction in curvilinear motion
- Introducing circular motion
- Prerequisite for projectile lessons
Usage Tips
- Fix the base before spinning
- Trace tangents with projection
Selection Guide
- One unit per classroom
Purchase protection
✓
✓
Fast dispatchFrom Shanghai Songjiang warehouse
✓
Breakage coverFree replacement within 48h
✓
Proper invoiceVAT invoice available
FAQ
What grade levels does this teaching aid suit?
It fits middle and high school classroom demonstrations and group experiments, plus science centers and maker courses; ask us for curriculum matching.
Does it come with instructions?
Yes, basic operating instructions and experiment steps are included; ask customer service for companion handouts or videos.
Is this in stock? How fast do you ship?
Yes, usually in stock. Orders placed on workdays (8:30-17:30 GMT+8) ship within 48 hours from our Shanghai warehouse; for bulk orders please confirm stock and lead time with us first.