Chapter 5: Q 2. (page 127)
A chandelier hangs from a chain in the middle of a dining
room. Identify the forces on the chandelier.
Short Answer
two forces are there tension and weight
Chapter 5: Q 2. (page 127)
A chandelier hangs from a chain in the middle of a dining
room. Identify the forces on the chandelier.
two forces are there tension and weight
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Get started for freeA heavy box is in the back of a truck. The truck is accelerating to the right. Draw a motion diagram, a force-identification diagram, and a free-body diagram for the box .
Problems 42 through 52 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.
An elevator, suspended by a single cable, has just left the tenth
floor and is speeding up as it descends toward the ground floor.
Problems 35 through 40 show a free-body diagram. For each:
a. Identify the direction of the acceleration vector au and show it as a vector next to your diagram. Or, if appropriate, write
b. If possible, identify the direction of the velocity vector and show it as a labeled vector.
c. Write a short description of a real object for which this is the
correct free-body diagram. Use Examples 5.4, 5.5, and 5.6 as
models of what a description should be like.
A constant force applied to A causes A to accelerate at . The same force applied to B causes an acceleration of . Applied to C, it causes an acceleration of .
a. Which object has the largest mass? Explain.
b. Which object has the smallest mass?
c. What is the ratio of the mass of A to the mass of B?
A compressed spring is pushing a block across a rough horizontal table. How many force vectors would be shown on a free-body diagram? Name them.
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