Physics

Physics, 01.11.2019 04:31, ariellllm

When an object has its motion changed, the cause is generally
a. an external force
b. an internal force
c. an existential force
d. an interval force

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Chemistry, 29.07.2019 04:30, Binger4115

In swimming, you apply a force to the water to move yourself forward. the greater the water pressure, the faster you can swim. this can best be explained by one of newton's laws of motion that states a) for every force on an object that object exerts an equal and opposite force back. b) a body in motion will continue in motion unless acted upon by an outside force. c) the net force equals the mass times the acceleration of and object. d) energy cannot be created or destroyed on changed forms.

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Physics, 01.08.2019 18:00, martinezizzie

Can a net force be applied to an object and still have the object maintain constant speed. explain. a) no, a net force accelerates an object. b) no, a net force will always slow down the object. c) yes, a net force does not always acelerate an object. d) yes, if the net force is perpendicular to the motion of the object it will only change its direction.

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Physics, 02.08.2019 01:30, antonio97

Can a net force be applied to an object and still have the object maintain constant speed. explain. a) no, a net force accelerates an object. b) no, a net force will always slow down the object. c) yes, a net force does not always acelerate an object. d) yes, if the net force is perpendicular to the motion of the object it will only change its direction.

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Physics, 05.11.2019 02:31, matthewlucas8613

If only an external force can change the velocity of a body, how can the internal force of the brakes bring a car to rest? 1. it is the driver, not the car itself who causes the breaking, so it is an external force. 2. the engine is stopped, so the car has no force to run further. 3. some internal forces can change the velocity of a body. 4. it is the force of the road on the tires (an external force) that stops the car.

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When an object has its motion changed, the cause is generally
a. an external force
b. a...

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