What is the force required to overcome the static friction of a 78 kg sled on fresh snow? The friction coefficient of the sled on snow is 0.05. 3.9 N 38 N 765 N 1,560 N

Q: A block with a mass of 7 kg is placed on an incline. If the static friction coefficient between the…

A: Draw the free-body diagram of the system as:

Q: For a 0.20 kg block of wood on the floor u is 0.50 and u, is 0.75. What is the force of friction…

A: Given data: The mass of block is m=0.2 kg. The coefficient of kinetic friction is µk=0.5. The…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: Given- Mass of car , m = 1500 kg Initial speed  of car, u = 15 m/s Final speed of car , v = 0 m/s…

Q: A student presses a book between his hands, as the drawing indicates. The forces that he exerts on…

A: Given: Weight of the book, W=26.9 N co-efficient of static friction, μs=0.414

Q: A 10 kg of box was put in a horizontal table. The static coefficient of friction is 0.15. What could…

A: Given(s): It is a horizontal table. Mass of the box, m=10 kg The static coefficient of friction is…

Q: 5.6 kg desk is being pushed along a classroom at a constant speed of 0.5 m/s. If a force of 34 N is…

A:

Q: A tractor is speeding up at 3 m/s/s while pulling a 691 kg sled with a rope at an angle of 23…

A:

Q: b) What is the normal force between the backpack and the floor? Your answer: O 1.5 N O 7.4 N 15 N O…

A: Mass, m = 7.5 kgCoefficient of friction, µ = 0.2Acceleration due to gravity, g = 9.81 m/s2

Q: A person pushes a 0.20 kg lunch tray across a table

A: Required : The normal force, N.

Q: A 100 N wooden crate is pushed across a concrete floor. The friction forces is equal to 62 N. find…

A: Given :F=62 NN=100We know that the formula to the frictional force is ,F= μN

Q: A person pushes a 0.20 kg lunch tray across a table, and it slows down as it slides because of…

A: Mass of lunch tray = 0.2 kg  Coefficient of static friction = 0.15  Coefficient of kinetic friction…

Q: b) A girl exerts a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at…

A:

Q: A 4.5-kg cart is pulled with a force of 11.2 N at an angle of 40° above the horizontal. If a kinetic…

A:

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A: Mass of crate (m) = 78 kg Coefficient of Static Friction (μs) = 0.3 Coefficient of Kinetic Friction…

Q: A force of 1.8 N is applied horizontally to a 683 g cereal box that is at rest on a horizontal…

A: As the box is not moving vertically that means the vertical forces are balanced that is : N = mg…

Q: A 976-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the…

A:

Q: Siri is exerting a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at a…

A: Force Applied = F = 36 N Weight W = Normal force N = 52 N Coefficient of kinetic friction = μk = ?

Q: 13. A 7.5 kg backpack is sliding across the floor. The coefficient of friction between the backpack…

A: Solution

Q: A stationary 10kg object is sitting on the ground. The coefficient of static friction between the…

A: Given: Mass of an object (m) = 10.0 kg. Coefficient of static friction μs=0.8 Coefficient of kinetic…

Q: A rocker arm with rollers at A and B is shown in the position when the valve is open and the valve…

A: Solution:-

Q: A 25 N object requires a 5.0 N force to start moving over a horizontal surface. What is the…

A:

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: A net force of 700 N is met with 230 N of friction. What is the applied force? 930 N 690 N 540 N…

A:

Q: A 2.00-kg block starts from rest at the top of a 30.0° incline and slides 2.00 m down the incline in…

A: Given data: Mass of the block, m=2.00 kg Distance travelled down the inclined plane, s=2.00 m Time…

Q: 7. A 5.50 kg block is pressed against a vertical wall by a force (F), as shown in the figure below.…

A:

Q: The coefficient of static friction between a sled and the snow is 0.3, with a coefficient of kinetic…

A:

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A: Mass (m) = 78 kg coefficient of static friction and coefficient of kinetic friction are 0.3 and 0.2…

Q: A box of mass 33 kg sits at rest on a ramp that makes an angle of 11 degreeswith the horizontal. The…

A: Draw the free-body diagram of the box.

Q: A 5.0-kg box is being pulled along a horizontal surface by means of a rope that exerts a horizontal…

A: The mass of the box is m=5 kg so the weight of the box can be calculated as, w = mg    = 5 kg9.8…

Q: A 3.0-kg book is held at rest against a wall by a 120 N push force. The coefficient of static…

A:

Q: A 20 kg refrigerator was placed on the cement floor in the dining area. The coefficient of static…

A: Given data:  Mass (m) = 20 kg Coefficient of static friction (μs) = 0.25 Horizontal force (F) = 13 N…

Q: A 23.4 kg box rests on an inclined plane creating an angle of 34.5° from the horizontal. What is the…

A:

Q: tow-truck pulls a 1500 kg car using a steel cable that makes a 25° angle with the horizontal, as…

A:

Q: A 489-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the…

A: let friction force is f  gravitational force down the incline  = mgSin31°  Now, by fbd of block…

Q: You are pulling on a box (that has a 5.9 kg mass) by using a rope, pulling upward with a force of…

A:

Q: Create a bucket by rotating around the y axis the curve y 3 In(z 3) from y = 0 to y= 6. If this…

A: The objective of the question is to calculate the work required to pump liquid out of a bucket. The…

Q: A man is trying to pull a table with mass of 21 kg across the floor with a constant speed. What is…

A: Mass of the table(m) = 21 kg Friction coefficient (u) = 0.62 Gravitational acceleration (g) = 9.8…

Q: A shopper pushes a 7.7 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A:

Q: Newtons Third Law:  A 2.100×103 kg car is parked on a steep hill inclined at 23.0o. What is the…

A: Mass (m) = 2.100×103 kg μs = 0.900μk = 0.400

Q: A small child is trying to push a 100 kg box across a rough surface He is applying a force of 100 N…

A:

Q: There is a worker that slides a heavy box up a ramp into a truck. The box has a mass of 70 kg. The…

A:

Q: Two boxes A and B are connected by a lightweight cord and resting on a smooth (frictionless) table.…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: