A force is a push or a pull of an object. Forces can change the shape, direction, or speed of an object.
Check Your Knowledge:
A Newton Meter
Categorise the following actions by selecting the correct force type.
Closing a door
Walking a dog on lead
Dragging a box
Drag the forces into their correct categories based on whether objects must touch or not.
Forces always act in equal and opposite pairs on different objects.
Interaction Question:
"If you push on a wall with 50N, how much force does the wall push back with?"
Simulation: Change the mass to see how far the rubber band stretches. Collect results to draw the graph.
| Mass (g) | Stretch (cm) |
|---|
1. Identify the variables:
Independent Variable:
Dependent Variable:
2. Describe the pattern observed:
Conclusion: This experiment shows that a larger force (provided by the weight of the mass) results in a larger change in the shape (stretch) of the rubber band. This is a direct effect of force.
A force is the push or 1. of an object. The unit of force is 2. and is measured using a 3. . A force can change shape, direction, and 4. of an object. Forces can be grouped into 5. or non-contact forces. Examples of non-contact forces are magnetic and 6. forces. Forces always act in pairs. There is the 7. and reaction. This is known as 8. pairs which are equal and 9. . They also act on 10. objects.