Taking a break from hiking up a steep hill, a hiker stands still on the incline. What are the forces acting on the hiker as they stand still?  No forces act on the hiker since they stay at rest  The normal force, the weight, and kinetic friction  The normal force, the weight, and static friction  The normal force and the weight  The normal force, the weight, and the force of gravity

Q: chef is trying to get the lid off of a jar that is on really tight. The chef finally uses a rubber…

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Q: In the figure, two blocks are attached to each other by a massless string that is wrapped around a…

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Q: A woman is standing on a steep hillside in the rain and is not moving. A sudden gust of wind blows…

A: Required : Why does not slide down the hillside.

Q: 2 blocks m1 and m2 are connected by a rope and are initially laid at rest on a 30-degree incline…

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Q: toy of mass 1.5 kg. The boy pulls with a force of 6.0 N [W] while the girl pulls with a force of 8.0…

A: GivenMass of toy, m=1.5 kgBoy pull with a force, Fb=6 N (W)Girl Pull with force, FG=8 N…

Q: tension force on the box gravitational force on the box E

A: Given: The mass of the box is 4 kg. The acceleration due to gravity is 10 m/s2. The speed of the…

Q: A car is parked on a steep hill. What statement regarding friction acting on the car must be true? )…

A: The force of static friction is a type of force that acts between two surfaces and prevents those…

Q: The coefficient of static friction between a persons shoe and the ground is 0.80. Determine the…

A: coefficient of static friction (μs) = 0.80 mass (m) = 60 kg

Q: If an object is sitting motionless on table, the normal force is... A. Not present B. the same…

A: Given: An object is sitting motionless on table.

Q: A body begins to slide over the surface of another, when pulled with a force of 10N. If we pull with…

A: Given, Limiting friction,f=10 N Applied force, F=4 N

Q: A block with a mass of 6.47 kg is on a horizontal surface that has friction. A string is pulling…

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Q: A dog is pulling a 65 kg sled up a hill inclined at 20 degrees above the horizon. The dog pulls with…

A: Given Datam=65kgθ1=20°θ2=29°P=465Nf=75NTo find a=?

Q: A horizontal force is used to pull a 5.0-kilogram cart at a constant speed of 5.0 meters per second…

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Q: Shoe design in sports and human movement is a good example of altering friction in what way Group of…

A: We can move forward due to horizontal component of reaction force on foot by ground.

Q: A calculator is set on top of a book and the book is then pushed so that it slowly accelerates…

A: Given  person is pushing the book without touching the  calculator and book is accelerating with…

Q: A box weighing 65N is on a horizontal floor. The coefficient of static friction is 0.30 and that of…

A: Given: The weight of the box is 65 N. The static coefficient of friction is 0.30. The kinetic…

Q: A 60 kg block slides along the top of a 100 kg block. The lighter block has an acceleration of 3.7…

A: Equilibrium condition in the horizontal direction for mass m1

Q: e 2 blocks stacked on a table. The top block has a mass of 2.0 kg, and the bottom block has a mass…

A: friction force is a contact force and opposing relative motion. FS = μs m g     μ s= coefficient of…

Q: The suspended 2.41 kg mass on the right is moving up , the 2.1 kg mass slides down the ramp and is…

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Q: A hammer strikes a nail, driving it into a board. How does the magnitude of the force that the…

A: Note: as per guidelines only one question should be answered, so kindly post the remaining question…

Q: The static friction force between a car’s tires and the ground can do all of the following except…

A: in this  question  we discuss  about static friction.

Q: Demarius has just moved, and is unloading boxes the moving van. He slides a 19.0 kg box down the 31°…

A: Mass of box, m=19 kg Angle of ramp with Horizontal = 31o Acceleration of box, a=0.68 m/s2 Required,…

Q: Which of the following is false in regards to pulling an object across the floor with a rope above…

A: The free-body diagram is shown below. Here, N is the normal force, F is the applied force, and m is…

Q: As a car goes up a hill, there is a force of friction between the road and the tires rolling on the…

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Q: A 50-N block, on a 30° incline, is being held motionless by friction. The coefficient of static…

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Q: 10 kg block rests on a table. 0.5 is the coefficient of static friction.  A 48 Newton force is…

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Q: Friction between surfaces that slide over each other is called kinetic friction, whereas friction…

A: Please see the answer below

Q: If a car is moving with constant velocity, then we can say that: Group of answer choices the sum of…

A: Given The car is moving with constant velocity.

Q: Numbers are used to represent the magnitudes and directions of forces that are unknown.   True False…

A: In question 1 There are saying that numbers are used to represent the magnitude and direction of…

Q: When a desk is horizontally pushed across a floor at a steady speed in a straight-line direction,…

A: velocity is rate of change of velocity. F = ma

Q: And 8.0 KG object is accelerating down in incline plain inclined at 25.0° with the horizontal…

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Q: A 6.0 kg block initially at rest is pushed against a wall by a 100 N force as shown. The coefficient…

A: Given data The mass of the block is: m = 6 kg The magnitude of the force act on the block is: F =…

Q: 37.5 kg block is pushed at a constant speed up a 24.0° incline by an applied force parallel to the…

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Q: In the friction experiment, what is the least mass you have to attach to the weight hanger for it to…

A: Part (1): Given: The friction mass is 1300 g. The hanger mass is 50 g. The coefficient of the static…

Q: A box is sliding on a rough patch of ice, and the only horizontal force acting on it is friction.…

A: distance, s = 23 m  time, t = 600 s The first equation of motion is  v = u + a t  The third equation…

Q: A crate remains stationary after it has been placed on a ramp inclined at an angle with the…

A: Given Info: The crate remains stationary after it has been placed on a ramp inclined at an angle…

Q: A 2-kg mass starts from rest and slides down an inclined plane 80 cm long in 0.5 s. What is the net…

A: Mass of body=2kg Placement of body=80cm =0.8m Time taken =0.5s

Q: A contestant in a winter sporting event pushes a 27 kg block of ice across a frozen lake as shown…

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Q: An elevator is moving upward at a constant speed, pulled by the cable it is attached to. What forces…

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

Q: A block is on a frictionless table, on earth. The block accelerates at 8.5 m/s2 when a  horizontal…

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Q: Which of the following is TRUE about the friction force between two surfaces? Mark only one. The…

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Q: A 60 kg block slides along the top of a 100 kg block.  The lighter block has an acceleration of 3.8…

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Q: A 25 kg box is on a 35° hill with a coefficient of friction of 0.1 and an additional applied force…

A: Mass of box, m = 25 kg Angle of hill, 35 degrees  Co efficient of friction = 0.1 Force applied…

Q: A person is dragging a 15kg box along the ground by a rope 30 degree to the horizontal with a force…

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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: