If the only force acting on an object is friction during a given physical process, which of the following assumptions must be made in regard to the object's kinetic energy?

The assumptions must be made base in the object’s kinetic energy in a situation whereby frictional force is the only force acting on an object is A:The kinetic energy decreases.

Therefore, option A is correct.

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The kinetic energy decreases.

Explanation:

Friction is defined as a opposite force to motion. If friction is the only force acting on an objects, its kinetic energy decreases.

It is so because due to resistive force or friction, kinetic energy is converted to heat energy and that reduces the total kinetic energy in the system.

Hence, the correct answer is "The kinetic energy decreases."

answer: question1

1,000 tons

question2

3: 8

question 3

store d

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