A world of forces - understanding
11 important questions on A world of forces - understanding
What four effects can a force have on an object?
- The object changes shape and can even break.
- the object starts to move
- the object speeds up or slows down
- the direction of the object's motion changes ( for example, the object travels in a curve)
Which forces act at a distance?
What is an electrical force?
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What is gravitational force?
What is adhesive strength?
What is elastic force?
What is frictional force?
Elastic force and tension have the same cause. What is this cause??
How can an jet engine generate propulsion?
Describe how bird stays in the air?
Describe how a rocket moves off in space.
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