
College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:Forces Practice
Objects A, B, and C are connected by massless
strings on a frictionless table. Each object has
T,
A
B
the following mass:
Object A: 3.00 kg
Object B: 5.00 kg
Object C: 9.00 kg
a. Draw and label a free-body diagram for each of the three blocks.
b. Write Newton's 2nd law in both the x- and y-directions for each block.
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- For each object below, draw a clear Free Body Force Diagram. Label all forces that act on the object such as mg, T, n, etc. Label appropriate axes such as x, y, and z. Include friction in all cases where an object slides against another. All pulleys are massless and frictionless.arrow_forwardFree Response Questions ou push a grocery cart at an angle, down and to the left. The cart accelerates along a level floor in the prestince of friction effects between the cart and the floor. Draw force diagrams for you, the cart, and the floor/earth. Fully label all vectors. a. you floor/Earth cart b. While you are making the cart speed up, how does the size of the force you apply on the cart compare to the size of the force the cart exerts on you? Explain by referencing Newton's Laws c. While you are making the cart speed up, how does the size of the frictional force on the cart by the floor compare to the force applied on cart by you? Explain by referencing Newton's Laws While you are making the cart speed up, how does the size of the frictional force on the cart by the floor compare to the frictional force on you by the floor? Explain by referencing Newton's Laws Identify & list all of the Newton's Third Law pairs in your force diagrams.arrow_forwardPhysics question attarrow_forward
- QUESTION 1 All of the blocks shown below are intially at rest on a smooth surface. Two applied forces act on each object as shown. Assume the positive direction is to the right. Select the case(s) in which the object accelerates in the negative direction. A B F₂=6N F₂=8N m = 4 kg D m = 4 kg A. A and B O B. C and F O C.D and E O D.A, B, C, and D E. none of the above F₁ = 8 N F₁=6N F₂=6N F₂=8N m = 2 kg E m = 2 kg F₁=8N F₁=6N F₂= ION F,= 10N с m = 2 kg F m = 4 kg F₁=10N F, =IONarrow_forwardInclined Planes A crate is at rest on an inclined plane. As the slope increases the crate remains at rest until the incline reaches an angle of 32.7° from the horizontal. At this angle the crate begins to slide down the ramp. A) What is the coefficient of static friction between the crate and the surface of the ramp? B) If the coefficient of kinetic friction between the surface of the ramp and the crate is 0.33, what would be the acceleration of the moving crate at this angle?arrow_forwarda) Make the following a 'free body diagram' by showing all of the force vectors acting on each of the two blocks. 8 m TOUTE M b) Solve for an equation describing the acceleration of the mass M.arrow_forward
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