A skier with a mass of 45kg is initially at rest on a ski slope as shown. The coefficient of static friction between the skis and the slope is 0.09. The coefficient of kinetic friction is 0.04.  A) What is the smallest angle such that the skier will start to move without pushing off? B) Once the skier is moving, what will be their net acceleration?

Q: Two boxes are attached via a rope and pulley system, as shown in the figure. Box B has a mass of 2.0…

A:

Q: A 10.0 kg box slides down a 30.0 degrees incline at a rate of 0.40 m/s^2. What is the coefficient of…

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Q: A hockey puck having initial speed of 3.8 m/s comes to rest after a distance of 7.6 m. What is the…

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Q: *16. Ron pulls with a string on a wooden blo ck of mass m = 80 kg. The tension in the string is 300…

A: (a)Consider the FBD of the block as shown.

Q: A block A with a mass of 3 kg rests on a horizontal table top. The coefficient of kinetic friction,…

A:

Q: 4. Going down, down! Consider the figure shown in the following figure. You are lowering two boxes,…

A: Since objects are moving with constant velocity acceleration must be zero so forces must be balanced…

Q: A 100-N object sits on a rough floor and is being acted on by 150-N force that is directed 30° above…

A: Weight of the object is 100N  Force acting is 150N at 30° above the horizontal us = 0.5 , uk= 0.25

Q: A 70-kgkg student sitting on a hardwood floor does not slide until pulled by a 250-NN horizontal…

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Q: A contestant in a winter games event pushes a 32.0 kg block of ice across a frozen lake as shown in…

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Q: The coefficient of static friction between a sled and the snow is 0.19, with a coefficient of…

A:

Q: A contestant in a winter games event pushes a 38.0 kg block of ice across a frozen lake as shown in…

A: Given: Mass of block (m) = 38.0 kg. Static friction (µs) = 0.1 Kinetic friction (µk) = 0.03 The…

Q: A crate of mass 10.0 kg is being pulled along a horizontal smooth floor by a horizontal force of…

A: a. the acceleration of the crate is Fnet=maa=Fnetm=50 N10 kg=5 m/s2

Q: The truck is carrying a 300 lb crate down a 6° incline at 40 mph. The static coefficient of friction…

A: Free body diagram

Q: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: mass, m = 10 kg static friction coefficient = 0.75  kinetic friction coefficient = 0.62  Force, F =…

Q: If a 30 kg child pulls a 10 kg box with 10 Newton force across the floor. The kinetic friction…

A: Calculate the normal force on the block. N = mg     = 10*10     = 100 N Calculate the friction force…

Q: B IA 10 N A = 1 kg B = 0.5kg Block A is pulled by a tope with tension force J 10 N. The coefficient…

A:

Q: A contestant in a winter games event pushes a 52.0 kg block of ice across a frozen lake as shown in…

A: Givenmass of block ,m=52.0 kgμs=0.1Andμk=0.03

Q: 4. IMAX A flatbed truck is carrying a crate up a 10° hill. The coefficient of static friction…

A: Let maximum acceleration of truck is a  Now, by fbd of crate  Pseudo force (ma) on crate acts down…

Q: Consider the figure shown in the following figure. You are lowering two boxes, one on top of the…

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Q: Two blocks of mass M and m are sitting on a horizontal floor. The blocks are touching. The…

A: Since the blocks are in equilibrium in vertical direction, their normal forces must be equal to…

Q: 80 kg object is sliding across the table and now you are applying a force of +300 N. If the…

A: SOlution: Given that m = 80 kg F = +300 N coefficietn of friction = 0.3

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: Consider the figure shown in the following figure. You are lowering two boxes, one on top of the…

A: Since you have asked multi-part questions, we will solve the first three parts for you. In case you…

Q: A rubber boot is at rest on an inclined plane. When the angle of inclination of the plane is…

A: The free body diagram of the system is given in the below figure,

Q: Derek pushes a 10kg crate along a rough surface with 35N of force. He observes that it is only…

A: Given data:  Mass of crate (m) = 10 kg Force applied (F) = 35 N Acceleration (a) = 2 m/s2 Required:…

Q: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: What happens to the box.given,mass of the box(m)=10 kgcoefficient of static…

Q: A 12.5 kg box slides down a ramp that is inclined at 20.0° above the horizontal. If the coefficient…

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Q: A 2.50 kg mass is initially at rest on a 38 degree incline. An applied force of 36 N directed up the…

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Q: A chair of weight 135 N lies atop a horizontal floor; the floor is not frictionless. You push on the…

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Q: A hunter is pulling his sled 45 kg in mass behind him on snow. He exerts a pull of 170 N in…

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Q: A contestant in a winter games event pushes a 32.0 kg block of ice across a frozen lake as shown in…

A: (a) Draw the free-body diagram of the ice block.

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Q: A person on a weight scale in an elevator, moving at a constant speed downward, measures their…

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Q: 5. A 3 kg book is held against a wall with a force F at an angle of 30° as shown below. The…

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Q: A truck with a heavy load has a total mass of 5100 kg. It is climbing a 15∘ incline at a steady 15…

A: Given: Mass of the truck = 5100 Kg The angle of inclination = 150 Velocity of the truck = 15 m/s…

Q: A sled weighing 53.5 N is pulled horizontally across snow so that the coefficient of kinetic…

A: Given: Sled weight W = Mg =53.5 N Coefficient of friction between sled and the snow μS = 0.1 penguin…

Q: A sled and rider have a total mass of 61.0 kg. They are on a snowy hill. The coefficient of kinetic…

A: m = 61 kg coefficient of kinetic friction = 0.155θ = 21o

Q: A 70 kg box shown in Figure 2 is pulled by a 400 N force at an angle of 30° to the horizontal. The…

A: Draw FBD of the given block and enlist all the forces on the block. Here F signifies friction…

Q: A hunter is pulling his sled 44 kg in mass behind him on snow. He exerts a pull of 100 N in…

A: Mass of the sled, m=44 kg Force exerted on the mass, Fapp=100 N The angle between the applied force…

Q: A contestant in a winter games event pushes a 37.0 Kg Ike as 25° F. The coefficient of static…

A: (given)               Mass of block of ice = 37 kg   Coefficient of static friction = 0.1…

Q: A 10.0-kg crate is being pulled along a rough horizontal surface. The pulling force is 100.0 N and…

A: Mass of crate m=10 kg experiencing a force F=100N at 20o above the horizontal. Coefficient of…

Q: what is the difference between kinetic friction and static friction?

A:

Q: Q4/ In the figure below, a 20 Kg box is at rest on the ground. The static frietion coefficient in…

A: I assume that the man is pushing the 20kg box and he isbeing able to move it. So this is a case of…

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: