Homework Answers
B) No
Becasue, there are only 4 forces acting on the table
1) Applied force
2) Gravitational force
3) Normal force
4) frictional force
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3. When a man pushes the table resting on a floor possessing friction (see Fig. 1-1),...
1. Describe the difference between static friction and kinetic friction. 2. You have a 1.20 kg...
1. Describe the difference between static friction and kinetic friction. 2. You have a 1.20 kg cart resting on various surfaces. For each of the following scenarios, find the normal force acting on the cart (in standard units): a. The cart on a horizontal floor b. The cart carrying a load of 750 g on a horizontal floor c. The cart on an incline raised 15° above the horizontal d. The cart on a horizontal floor with a string attached...
Block 1 (7 kg) is resting on the surface of a table. A hand pushes vertically...
Block 1 (7 kg) is resting on the surface of a table. A hand pushes vertically down on block 1 with a force of 280. N. On a sheet of paper, draw the free body diagram for block 1 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. Remember that the x-component is the "i" component and the y-component is the "j" component. FORCES on BLOCK 1 Weight...
A storeho use worker pushes a box with a refrigerator (mass:96.0-kg) at constant velocity for a distance of 11.0 m. He pushes in the direction parallel to the horizontal floor. A 250.0-N friction...
A storeho use worker pushes a box with a refrigerator (mass:96.0-kg) at constant velocity for a distance of 11.0 m. He pushes in the direction parallel to the horizontal floor. A 250.0-N frictional force opposes the motion of the box. Use Newtons second law and definition of work to answer the questions below. (a) (1 point) What is the acceleration of the box? as (b) (2 points) What is the net force, acting on the box? Write down Newtons second...
ground. Problem# 3: Use Figure 1 below to analyze picture (ə) only. a) Draw the free...
ground. Problem# 3: Use Figure 1 below to analyze picture (ə) only. a) Draw the free body diagrams b) Express the appropriate equations c) Find the tension in each cord in if the mass of the suspended object is 800 g. (b) Problem# 4: A man pushes on a piano with mass 195 kg; it slides at constant velocity down a ramp that is inclined at 25.0° above the horizontal floor. Neglect any friction acting on the piano. a) Draw...
A hand pushes a 4 kg block along a table from point A to point C...
A hand pushes a 4 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to u. The hand pushes the block the full distance from A to C using a constant force of 7 N. The block starts off...
A hand pushes a 4 kg block along a table from point A to point C...
A hand pushes a 4 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to u. The hand pushes the block the full distance from A to C using a constant force of 6 N. The block starts off...
To understand the role of friction in a state of equilibrium. A chair weighing 120 NN...
To understand the role of friction in a state of
equilibrium.
A chair weighing 120 NN rests on a level floor that is not
frictionless. A man pushes on the chair with a force FFF = 43.0 NN
that is directed at an angle of 42.0 ∘∘ with the horizontal.(Figure
1) Assume that the chair is stationary but is on the verge of
sliding.
Mastering Engineering Masterin x 0 = |Liga JS (3) + X C To Determine The Center...
A hand pushes a 2 kg block along a table from point A to point C...
A hand pushes a 2 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to . The hand pushes the block the full distance from A to C using a constant force of 5 N. The block starts off...
QUESTION 1 A crate at rest resting on a floor: Normal force direction will be: along...
QUESTION 1 A crate at rest resting on a floor: Normal force direction will be: along the angle of the ramp with respect to the horizontal towards the center of earth parallel to the surface of the ramp perpendicular to the surface of the ramp 1 points QUESTION 2 A box is at rest on a wooden surface. The frictional force direction in this case will be: Opposite to the direction of the applied force perpendicular to the surface...
of the questions will be graded for completion 500N as shown. The 1. A man pushes...
of the questions will be graded for completion 500N as shown. The 1. A man pushes a 60kg crate with a force F coefficient of kinetic friction: 0.3. 30° Crate starts from rest. What is the work done by F as the crate moves 5m? a. b. What is the speed of the crate at 5m (use work-energy formula (what is the work done by gravity and Normal reaction?))? Ans: 5.5 m/s A bullet of mass m experiences a force...
1. Describe the difference between static friction and kinetic friction. 2. You have a 1.20 kg cart resting on various surfaces. For each of the following scenarios, find the normal force acting on the cart (in standard units): a. The cart on a horizontal floor b. The cart carrying a load of 750 g on a horizontal floor c. The cart on an incline raised 15° above the horizontal d. The cart on a horizontal floor with a string attached...
A storeho use worker pushes a box with a refrigerator (mass:96.0-kg) at constant velocity for a distance of 11.0 m. He pushes in the direction parallel to the horizontal floor. A 250.0-N frictional force opposes the motion of the box. Use Newtons second law and definition of work to answer the questions below. (a) (1 point) What is the acceleration of the box? as (b) (2 points) What is the net force, acting on the box? Write down Newtons second...
ground. Problem# 3: Use Figure 1 below to analyze picture (ə) only. a) Draw the free body diagrams b) Express the appropriate equations c) Find the tension in each cord in if the mass of the suspended object is 800 g. (b) Problem# 4: A man pushes on a piano with mass 195 kg; it slides at constant velocity down a ramp that is inclined at 25.0° above the horizontal floor. Neglect any friction acting on the piano. a) Draw...
A hand pushes a 4 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to u. The hand pushes the block the full distance from A to C using a constant force of 7 N. The block starts off...
A hand pushes a 4 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to u. The hand pushes the block the full distance from A to C using a constant force of 6 N. The block starts off...
To understand the role of friction in a state of
equilibrium.
A chair weighing 120 NN rests on a level floor that is not
frictionless. A man pushes on the chair with a force FFF = 43.0 NN
that is directed at an angle of 42.0 ∘∘ with the horizontal.(Figure
1) Assume that the chair is stationary but is on the verge of
sliding.
Mastering Engineering Masterin x 0 = |Liga JS (3) + X C To Determine The Center...
A hand pushes a 2 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction equal to . The hand pushes the block the full distance from A to C using a constant force of 5 N. The block starts off...
of the questions will be graded for completion 500N as shown. The 1. A man pushes a 60kg crate with a force F coefficient of kinetic friction: 0.3. 30° Crate starts from rest. What is the work done by F as the crate moves 5m? a. b. What is the speed of the crate at 5m (use work-energy formula (what is the work done by gravity and Normal reaction?))? Ans: 5.5 m/s A bullet of mass m experiences a force...
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