Q:

What is force and motion?

A:

Force is any influence to an object which changes its motion, while motion itself is the change in position of an object in relation to is speed, location and acceleration. There cannot be movement without force used against an object to set it in motion.

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A bicycles tires move because the person riding it exerts force on the pedals, which in turn moves the chain and the tires. This force causes the bike to be in motion. If there is no force being exerted on an object, then the object is said to be at rest and have a constant position. An object's motion cannot change unless force is acted upon it as stated by Newton's First Law.

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    What is gravity inertia?

    A:

    Inertia is the tendency for an object to remain in motion or at rest unless it is acted upon by an outside force. In the field of physics, this concept is referred to as Newton's first law of motion.

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  • Q:

    How is friction unhelpful?

    A:

    Friction is a force that opposes motion, so it is unhelpful in all situations where the motion of an object is desired. A by-product of friction is that energy is wasted in the form of heat, which can cause problems in temperature-sensitive environments.

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    What is energy of motion?

    A:

    Energy of motion is the energy an object possesses due to its motion, which is also called kinetic energy. This means that the object, which has energy of motion, can do work on any object it hits.

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    What is the path taken by a flying object?

    A:

    The path taken by a flying object in motion on the surface of the Earth is called a parabola. A parabola is a symmetrical arc, and the trajectory of flying objects with negligible air resistance in a gravitational field, as on the surface of the Earth, follows this path.

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