Motion is defined as an action that results in a change in position or location. Motion in simple words is any type of movement. That being said, what causes this movement. Well, motion is caused by a force. The force causes any stationary object to move as it acts on and makes it change its position. Once the motion occurs, it keeps moving with the same speed and in the same direction unless another external force acts on it. When this happens the speed of the movement (velocity) goes up, the direction changes, or the motion can slow down and stop completely.

An external unbalanced force. This force brings about an acceleration which is responsible for bringing a change in the state or motion of an object. Force is the cause of change in the state of motion of a body or an object. It is a quantitative description of an interaction that causes a change in an object's motion. Force can cause an object to move or accelerate, to slow down or decelerate, to stop, or to change its direction.

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>CONSIDER THESE QUESTIONS:>Q 1

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What causes motion?

Important Questions on Free to Move?

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>CONSIDER THESE QUESTIONS:>Q 1

What changes motion?

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>CONSIDER THESE QUESTIONS:>Q 1

What affects the motion of a falling object?

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>CONSIDER THESE QUESTIONS:>Q 2

What relationship is there between force and motion?

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>CONSIDER THESE QUESTIONS:>Q 3

Does everybody have the right to travel the way they wish? Should everybody have the right to travel as they wish?

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>SOME SUMMATIVE PROBLEMS TO TRY>Q 1

State which of these statements is true for an astronaut in a space shuttle in orbit around the Earth, then justify your answer.

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>SOME SUMMATIVE PROBLEMS TO TRY>Q 2

State which force arrow on the diagram below best represents the force produced by the jet engines.

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MYP By Concept 4&5 Physics>Chapter 5 - Free to Move?>SOME SUMMATIVE PROBLEMS TO TRY>Q 3

If the cars in the below figure all have an engine thrust of $1000 N$ , a state which one will have the greatest acceleration. Justify your answer with reference to Newton's laws.

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