Suppose you use an ideal pulley of the type shown in Figure 5.18(a) to support a car engine of mass 150 kg. (a) What would the tension in the rope be? (b) What force must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system's mass

Q: A driver in a 1000 kg car traveling at 20 m/s slams on the breaks and skids to a stop. If the…

A: Given:Velocity of the car = 20 m/sCoefficient of friction = 0.8

Q: Suppose you use an ideal pulley of the type shown in Figure 5.18(c) to support a car engine of mass…

A: Mass of car engine = 105kg Pulley system mass = 6.50kg

Q: A block resting on a horizontal surface and weighing 200N is acted upon by a horizontal force of…

A:

Q: A vehicle downhill with a slope of 0.15 and a drag factor of 0.7 leaves a skidmark of 20.6 meters,…

A:

Q: Is frictional force a conservative force or a non conservative force? Why it is called so?

A: If the total work done in moving a particle between two points is independent of the path taken,…

Q: A driver in a car traveling at 23 m/s slams on the brakes and skids to a stop. If the coefficient of…

A: Please see the answer below.

Q: What force is required to pull a dog in a wagon along a level sidewalk, as in the following figure,…

A: we know that in order to maintain a constant speed the acceleration of the object should be zero.…

Q: A book is caused to slide with initial velocity 4.59 m/s on a rough floor. If the coefficient of…

A:

Q: A 70 kg bicyclist is coasting down a long hill with a 3.5° slope. He’s moving quite rapidly, so air…

A: Given quantities: mass of the bicyclist(m) = 70 kg cross-section area(A) = 0.32 m2 drag…

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 45.5 degrees with respect…

A: Given- Inclined angle θ=45.50The mass of the black block mb= 6.46 kgThe coefficient of kinectic…

Q: A 22kg crate resting on a horizontal surface is pushed as shown. If a force of 70N is required to…

A: Given: The mass of crate is 22 kg. The applied force is 70 N. The free-body diagram of the crate is…

Q: A 100kg box is moved 10-meters across floor at constant speed by a horizontal force of 250N. Find…

A:

Q: which woudl require the least force to move a box along the floor witha  coefficient of friction of…

A:

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 54.8 degrees with respect…

A: Given: The angle is θ=54.8°. The mass of the black block is m1=3.64 kg. The coefficient of kinetic…

Q: You are tasked with designing the runway on an aircraft carrier. The minimum speed for the F/A-18…

A:

Q: A 1.8-kg person riding a slide down a rough hill of 20° slope. If the kinetic coefficient of…

A:

Q: So, the question asks us to Draw a free body diagram of the roller coaster car with all appropriate…

A:

Q: How far will a 75 kg skier traveling at 20 m/s  go up a 100 incline that has a coefficient of…

A: Given Mass m = 75 kg initial speed u = 20 m/s θ =10⁰  Coefficient of friction μ = 0.05

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 48.8 degrees with respect…

A: Given:-  Two blocks are positioned on surfaces, each inclined at the same angle of θ=48.8o  The mass…

Q: Suppose you use an ideal pulley of the type shown in Figure 5.18(a) to support a car engine of mass…

A: (a) Calculating the tension in the rope:

Q: A wet bar of soap slides down a ramp 10.0 m long inclined at 11.73°. What would be its acceleration?…

A: Let mass of bar of soap = m Length of ramp = 10 m θ = 11.73oμk = 0.06

Q: A ship of mass 3 x 10'kg and initially ai rest can be pulled through a distance of 3 m by means of a…

A: Given, Mass=3×10^7kg Distance=3m Force=5×10^4N

Q: What force is needed to pull a 15 kg box up a 25 degree incline at a rate of 2.0 m/s^2, if the…

A: This question is based on Newton's law of motion and friction.

Q: Where will friction be greater, when the plane is horizontal or tilted? Why?

A:

Q: A 70 kg bicyclist is coasting down a long hill with a 1.9 ∘ slope. He's moving quite rapidly, so air…

A: Given: The mass of the bicyclist is m=70 kg. The angle of the slope is θ=1.9o. The cross-sectional…

Q: Figure shows a block of mass m resting on a 20∘∘ slope. The block has coefficients of friction…

A: Such type of problems can be solved easily using Newton's laws of motion and applying the conditions…

Q: A hockey puck moving at 4.3 m/s coasts to a halt in 12.8 m on a smooth ice surface. What is the…

A: Given Initial velocity of hockey puck = 4.3 m/s Final velocity of hockey puck = 0 m/s Distance…

Q: A weightless spring scale is attached to two equal weights as shown below. The reading on the scale…

A: Reading of the scale

Q: Two blocks of m-1kg and M32kg are pushed along a horizontal frictionless surface by a constant…

A: Given Data : The Mass of block 1 is given as M = 2Kg. The mass of block 2 is given as m = 1Kg. The…

Q: A truck is traveling down a road with a 3-percent grade at a speed of 90 kph when the brakes are…

A: 3-percent grade means 3m up on every 100 m forward motion, so angle is tanθ=3100θ=tan-1(0.03)=1.720…

Q: If a bulldozer pushes a stack of bricks hard enough to make the stack move, which type of friction…

A: Required :: If a bulldozer pushes a stack of bricks hard enough to make the stack move, which type…

Q: The dynamic friction is little less than limiting friction. Why?

A: When a body tries to slide on another body, due to its uneven surfaces, they get interlocked with…

Q: The average skydiver, with parachute unopened, weighs 80 kg. Depending on the orientation of the…

A:

Q: A car making a turn on a dry, banked highway ramp is experiencing friction. The angle of the bank is…

A:

Q: Calculate the force produced during a pushup for the following person: Mass of person = 58.9kg arm…

A: The expression for the force produces during the push up is F = mg Use the given values F=58.9 kg9.8…

Q: Consider a person on an amusement park ride like a rollercoaster. If the normal force goes to zero:…

A: Given that a person goes on a roller coaster ride Normal force , N = 0

Q: A box weighing 100 N made of Copper is pushed on a horizontal surface made of steel. Using the…

A: Given : A box weight = 100 N            Coefficient of friction of copper = 0.53

Q: oard and you must slide your weighted disk 8m across the floor where it will come to rest on the…

A: Given:- The mass of the disk m =0.8 kg. The initial push of velocity u = 4 m/s.  The disk move…

Q: Why is kinetic friction measured by moving a block at constant velocity?

A:

Q: a person is pushing a 50 kg block across the ground at a constant speed of 10m/s with a force of 100…

A: Given Data : The mass of the box is given as m = 50 Kg. The speed of the box is given as v=10 ms The…

Q: In a "Giant Swing" shown in figure, the seat is connected to two cables. One is from the top of the…

A:

Q: Show that the acceleration of any object down a frictionless incline that makes an angle θ with the…

A: Acceleration due to gravity

Q: A driver of a 1000 kg car traveling at 20 m/s slams on the brakes and skids to a stop. If the…

A: