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Unless acted on by an outside force, a body at motion stays at motion. In rugby, unless you stop the person with the ball, they will stay at motion (at least until they score a try).
When you kick the ball you are providing an outside force that changes its motion. After kicking the ball travels in a straight line while friction amd gravity slow it and keep it from moving at a constant speed.
The law of inertia (it relates to an object's resistance to the change in motion)
Newton's First Law says that a force is required to change motion.Newton's Second Law explains the relationship between the force and the change.
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Unless acted on by an outside force, a body at motion stays at motion. In rugby, unless you stop the person with the ball, they will stay at motion (at least until they score a try).
The motion of a body can change (accelerate) only when acted upon by an unbalanced force.
the law of inertia
When you kick the ball you are providing an outside force that changes its motion. After kicking the ball travels in a straight line while friction amd gravity slow it and keep it from moving at a constant speed.
Yes, an unbalanced force is needed to change the motion of an object.If an unbalanced force does not act on an object it will continue to maintain its state of motion (either in motion or at rest), not considering the effect of frictional force. This is basically Newtons first law of motion.
The law of inertia (it relates to an object's resistance to the change in motion)
It increases the time taken for the force from the impact to be distributed to the passengers so the overall force is decreased. It relates to newtons first law about the acceleration of objects.
Newton's First Law says that a force is required to change motion.Newton's Second Law explains the relationship between the force and the change.
According to newtons first law, a body remains in constant motion in the same direction, with the same velocity, unless and until an external force acts on it. So when a body in motion comes under the influence an external force, it either, 1) changes in its speed- accelerate or decelerate. OR 2)changes in direction of motion- like when rolling marbles collide with each other and change direction. OR 3) Both of the above changes takes place. and when a body is in the state of rest, it will remain in rest unless and until acted upon by an external force. (newtons first law)
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Law of Inertia.
talks about the inertia '