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N2T.7 A car moving at a constant speed travels past a valley in the road, as shown below. Which of the arrows shown most closely approximates the direction of the car's acceleration at the instant it is at the position shown? (Hint: Draw a motion diagram.) С В E F T Zero All macroscopic physical forces Forces arising from long-range interactions Forces arising from contact interactions Gravitational forces F Electrostatic Magnetic forces F, Tension forces FT (resist the separation of objects) Spring forces F forces F Sp (exerted by a spring between objects) m Contact between two solid objects Contact between solid and fluid (liquid or gas) Drag forces FD (oppose the motion of the object rela- tive to the fluid) Normal forces FN Lift forces F (act perpendicular to the object's motion relative to the fluid) Frictional forces (the part of the contact force acting perpendicular to the surfaces in contact) of the contact (the part force acting parallel to the surfaces in contact) Thrust forces Frh (exerted whena pro- peller, jet engine, etc. forces fluid to move) Kinetic Friction FKF (opposes surfaces relative to each Pressure forces Fp (exerted when the fluid is compressed while confined) Static Friction FsF (prevents surfaces from moving relative to each other along the interface) the motion of other along the interface) Buoyant forces F (exerted when fluid is displaced by an object). FB magnitude of displaced fluid's weight; usually ignored when the fluid is air. Figure N2.1 One scheme for categorizing forces. The names of the force categories are shown in boldfa ce next to the symbol th at we will use for such a force. 1

N2T.7 A car moving at a constant speed travels past a valley in the road, as shown below. Which of the arrows shown most closely approximates the direction of the car's acceleration at the instant it is at the position shown? (Hint: Draw a motion diagram.) С В E F T Zero All macroscopic physical forces Forces arising from long-range interactions Forces arising from contact interactions Gravitational forces F Electrostatic Magnetic forces F, Tension forces FT (resist the separation of objects) Spring forces F forces F Sp (exerted by a spring between objects) m Contact between two solid objects Contact between solid and fluid (liquid or gas) Drag forces FD (oppose the motion of the object rela- tive to the fluid) Normal forces FN Lift forces F (act perpendicular to the object's motion relative to the fluid) Frictional forces (the part of the contact force acting perpendicular to the surfaces in contact) of the contact (the part force acting parallel to the surfaces in contact) Thrust forces Frh (exerted whena pro- peller, jet engine, etc. forces fluid to move) Kinetic Friction FKF (opposes surfaces relative to each Pressure forces Fp (exerted when the fluid is compressed while confined) Static Friction FsF (prevents surfaces from moving relative to each other along the interface) the motion of other along the interface) Buoyant forces F (exerted when fluid is displaced by an object). FB magnitude of displaced fluid's weight; usually ignored when the fluid is air. Figure N2.1 One scheme for categorizing forces. The names of the force categories are shown in boldfa ce next to the symbol th at we will use for such a force. 1

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter4: Two-and-three Dimensional Motion
Section: Chapter Questions
Problem 57PQ
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Please help answer the question and draw the associated free body diagram using the forces and notation given in the picture. 

N2T.7 A car moving at a constant speed travels past a valley in the road, as shown below. Which of the arrows shown most closely approximates the direction of the car's acceleration at the instant it is at the position shown? (Hint: Draw a motion diagram.) С В E F T Zero
Transcribed Image Text:N2T.7 A car moving at a constant speed travels past a valley in the road, as shown below. Which of the arrows shown most closely approximates the direction of the car's acceleration at the instant it is at the position shown? (Hint: Draw a motion diagram.) С В E F T Zero
All macroscopic physical forces Forces arising from long-range interactions Forces arising from contact interactions Gravitational forces F Electrostatic Magnetic forces F, Tension forces FT (resist the separation of objects) Spring forces F forces F Sp (exerted by a spring between objects) m Contact between two solid objects Contact between solid and fluid (liquid or gas) Drag forces FD (oppose the motion of the object rela- tive to the fluid) Normal forces FN Lift forces F (act perpendicular to the object's motion relative to the fluid) Frictional forces (the part of the contact force acting perpendicular to the surfaces in contact) of the contact (the part force acting parallel to the surfaces in contact) Thrust forces Frh (exerted whena pro- peller, jet engine, etc. forces fluid to move) Kinetic Friction FKF (opposes surfaces relative to each Pressure forces Fp (exerted when the fluid is compressed while confined) Static Friction FsF (prevents surfaces from moving relative to each other along the interface) the motion of other along the interface) Buoyant forces F (exerted when fluid is displaced by an object). FB magnitude of displaced fluid's weight; usually ignored when the fluid is air. Figure N2.1 One scheme for categorizing forces. The names of the force categories are shown in boldfa ce next to the symbol th at we will use for such a force. 1
Transcribed Image Text:All macroscopic physical forces Forces arising from long-range interactions Forces arising from contact interactions Gravitational forces F Electrostatic Magnetic forces F, Tension forces FT (resist the separation of objects) Spring forces F forces F Sp (exerted by a spring between objects) m Contact between two solid objects Contact between solid and fluid (liquid or gas) Drag forces FD (oppose the motion of the object rela- tive to the fluid) Normal forces FN Lift forces F (act perpendicular to the object's motion relative to the fluid) Frictional forces (the part of the contact force acting perpendicular to the surfaces in contact) of the contact (the part force acting parallel to the surfaces in contact) Thrust forces Frh (exerted whena pro- peller, jet engine, etc. forces fluid to move) Kinetic Friction FKF (opposes surfaces relative to each Pressure forces Fp (exerted when the fluid is compressed while confined) Static Friction FsF (prevents surfaces from moving relative to each other along the interface) the motion of other along the interface) Buoyant forces F (exerted when fluid is displaced by an object). FB magnitude of displaced fluid's weight; usually ignored when the fluid is air. Figure N2.1 One scheme for categorizing forces. The names of the force categories are shown in boldfa ce next to the symbol th at we will use for such a force. 1
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