You push with a force of 10 N on a box sitting on a table, but...
You push with a force of 10 N on a box sitting on a table, but it's too heavy and it doesn't move. If the mass of the box is 20-kg and the coefficient of static friction is 0.5, what is the magnitude of force of static friction acting on the box?
Homework Answers
when block is not moving, static friction acting = force
applied
Answer: 10 N
Problem 9. You push on a 30kg object with a force of 200 N, but it...
Problem 9. You push on a 30kg object with a force of 200 N, but it refuses to move. The coefficient of static friction between the object and the floor is 0.80, what is the magnitude of the friction force on the object? Solution El = 200 N Problem 10 A flatbed truck slowly tilts its bed upward to dispose of a 95 kg box. When the tilt angle just exceeds 23°, the crate begins to slide. What is the...
Suppose there is a box of books with a mass of 10 kg resting on a...
Suppose there is a box of books with a mass of 10 kg resting on a flat horizontal table, and that the coefficient of static friction between the table and the box is 0.5. If you push on the box with a force of 60 newtons, will the box move? Explain your answer.
You push horizontally on a 140-N box that is initially resting on a horizontal table. The...
You push horizontally on a 140-N box that is initially resting on a horizontal table. The coefficient of static friction between the box and the table is 0.75, and the coefficient of kinetic friction is 0.40. Find the friction force on the box if the push is equal to (a) 84 N; (b) 109 N.
A block of mass m = 2.0 kg is sitting stationary on a table. A horizontal...
A block of mass m = 2.0 kg is sitting stationary on a table. A horizontal force of magnitude F = 5.0 N is applied to the block, as shown. The coefficient of static friction is µS = 0.7, and the coefficient of kinetic friction is µK = 0.5. To the nearest 0.1 N, what is the magnitude of the force of friction between the block and the table?
Question 8: (I pt) You push downward on a box at an angle 250 below the...
Question 8: (I pt) You push downward on a box at an angle 250 below the horizontal with a force of 750 N. If the box is on a flat horizontal surface for which the coefficient of static friction with the box is 0.76, what is the mass of the heaviest box you will be able to move? A) 59 kg B) 68 kg C) 54 kg D) 82 kg
You need to push a box across carpet. The box and its contents have a mass...
You need to push a box across carpet. The box and its contents have a mass of 75 kg. The coefficients of static friction and kinetic friction between the box and the carpet are 0.60 and 0.40, respectively. A. You push horizontally on the box with a force of 300 N. Draw a free-body diagram for this scenario. What is the magnitude of all the individual forces that act on the box? B. You now push horizontally on the box...
part a and b please F5: A 50 kilogram box is sitting on a level table....
part a and b please
F5: A 50 kilogram box is sitting on a level table. We apply a horizontal force on the box as shown. (a) As we slowly increase the force, we find that the box begins to slide when the force reaches 190 Newtons. Draw a We apply force diagram and use the information to determine the a force F5 coefficient of static friction , on the table. 50 kg (b) If the coefficient of kinetic friction...
box. Mary applies a force of 72 N to push a box with an acceleration of...
box. Mary applies a force of 72 N to push a box with an acceleration of 0.46 m/s?. When she increases the pushing force to 79 N, the box's acceleration changes to 0.64 m/s2. There is a constant friction force present between the floor and the (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
The force is increased until, right after hitting 4N the box starts to move. Draw the...
The force is increased until, right after hitting 4N the box starts to move. Draw the Free Body Diagram for the mass right before the mass starts moving. Identify ALL the forces acting on it. 2 Kg 2 Kg i)Determine the magnitude of the normal force n on the box and the value of the coefficient of static friction. Us between the box and the floor.
A woman exerts a horizontal force of 141 N on a crate with a mass of...
A woman exerts a horizontal force of 141 N on a crate with a mass of 30.7 kg (a) If the crate doesn't move, what's the magnitude of the static friction force (in N)? (b) What is the minimum possible value of the coefficient of static friction between the crate and the foor? (ASsume the crate remains stationary.) A block of mass 59.1 kg rests on a slope having an angle of elevation of 20.3. If pushing downhill on the...
Problem 9. You push on a 30kg object with a force of 200 N, but it refuses to move. The coefficient of static friction between the object and the floor is 0.80, what is the magnitude of the friction force on the object? Solution El = 200 N Problem 10 A flatbed truck slowly tilts its bed upward to dispose of a 95 kg box. When the tilt angle just exceeds 23°, the crate begins to slide. What is the...
Question 8: (I pt) You push downward on a box at an angle 250 below the horizontal with a force of 750 N. If the box is on a flat horizontal surface for which the coefficient of static friction with the box is 0.76, what is the mass of the heaviest box you will be able to move? A) 59 kg B) 68 kg C) 54 kg D) 82 kg
part a and b please
F5: A 50 kilogram box is sitting on a level table. We apply a horizontal force on the box as shown. (a) As we slowly increase the force, we find that the box begins to slide when the force reaches 190 Newtons. Draw a We apply force diagram and use the information to determine the a force F5 coefficient of static friction , on the table. 50 kg (b) If the coefficient of kinetic friction...
box. Mary applies a force of 72 N to push a box with an acceleration of 0.46 m/s?. When she increases the pushing force to 79 N, the box's acceleration changes to 0.64 m/s2. There is a constant friction force present between the floor and the (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
The force is increased until, right after hitting 4N the box starts to move. Draw the Free Body Diagram for the mass right before the mass starts moving. Identify ALL the forces acting on it. 2 Kg 2 Kg i)Determine the magnitude of the normal force n on the box and the value of the coefficient of static friction. Us between the box and the floor.
A woman exerts a horizontal force of 141 N on a crate with a mass of 30.7 kg (a) If the crate doesn't move, what's the magnitude of the static friction force (in N)? (b) What is the minimum possible value of the coefficient of static friction between the crate and the foor? (ASsume the crate remains stationary.) A block of mass 59.1 kg rests on a slope having an angle of elevation of 20.3. If pushing downhill on the...
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