Chapter 5: Q 3. (page 127)
A baseball player is sliding into second base. Identify the forces
on the baseball player.
Short Answer
there are three forces acting on it kinetic friction , normal and weight .
Chapter 5: Q 3. (page 127)
A baseball player is sliding into second base. Identify the forces
on the baseball player.
there are three forces acting on it kinetic friction , normal and weight .
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Get started for freeExercises 22 show a free-body diagram. Write a short description of a real object for which this would be the correct free-body diagram. Use Examples 5.4, 5.5, and 5.6 as examples of what a description should be like.
Is the statement “An object always moves in the direction of the net force acting on it” true or false? Explain.
Problems 44 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.
A Styrofoam ball has just been shot straight up. Air resistance is not negligible.
Suppose you press your physics book against a wall hard enough to keep it from moving. Does the friction force on the book point
(a) into the wall,
(b) out of the wall,
(c) up,
(d) down, or
(e) is there no friction force? Explain.
Based on the information in Table 5.1, estimate
a. The weight of a laptop computer.
b. The propulsion force of a bicycle.
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