Discover how a simple push or pull can start motion, stop motion, change direction, alter speed, and even change the shape of an object.
Rainbow Mind Map of Force
Choose a category to filter the cards. Tap or click any card to reveal more information and examples.
Central idea: Force is an invisible push or pull produced by interaction between bodies. It can start or stop motion, change speed or direction, and alter the shape or size of an object.
Interactive Force Lab
Move the slider or use the push and pull buttons to see how force changes an object's motion.
Force Meter
Increase the applied force and watch the block move farther.
Applied force4 N
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Push or Pull?
Select an action to see the direction of force.
A push moves an object away from the source of force, while a pull brings it closer.
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Quick Force Quiz
Choose one answer for each question and check how well you understand force.
1. What is the SI unit of force?
2. Which one is a contact force?
3. Which effect can a force produce?
Score: 0 / 3
Frequently Asked Questions
Clear answers to common questions about force.
What is force in simple words?
Force is a push or pull that can change the motion, direction, speed, shape, or size of an object.
What is the SI unit of force?
The SI unit of force is the newton, represented by the symbol N.
What are contact forces?
Contact forces act only when two objects are touching. Friction, tension, muscular force, and normal reaction are examples.
What are non-contact forces?
Non-contact forces act without direct physical contact. Gravity, magnetism, and electrostatic force are common examples.
Can force change the shape of an object?
Yes. Squeezing, stretching, bending, or compressing an object shows that force can change its shape or size.
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