An object of mass m moves with acceleration a with arrow down a rough incline. Which of the following forces should appear in a free-body diagram of the object? Choose all correct answers.the friction force exerted by the inclinema with arrow in the direction of motionthe force exerted by the object on the inclinethe normal force exerted by the inclinethe gravitational force exerted by the planet

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Asked Feb 21, 2019
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An object of mass m moves with acceleration a with arrow down a rough incline. Which of the following forces should appear in a free-body diagram of the object? Choose all correct answers.
the friction force exerted by the incline
ma with arrow in the direction of motion
the force exerted by the object on the incline
the normal force exerted by the incline
the gravitational force exerted by the planet

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Expert Answer

Step 1

Friction force due to the incline comes in the FBD. It opposes the direction of motion. Normal force is also given in FBD. Gravitation force exerted by the planet is the weight of the object which is also a part of the FBD.

Step 2

The force ma is not provided in the FBD since it is a pseudo force. FBD involves forces that are acting...

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