The 75-kg man pushes on the 150-kg crate with a horizontal force F. If the coefficients of static and kinetic friction between the crate and the surface are µ, = 0.3 and Mk = 0.2, and the coefficient of static friction between the man's shoes and the surface is µ, is able to move the crate. What is the greatest acceleration the man can give the crate? 0.8, show that the man

Q: moving to the right at 2m/s and experiences a rightward force of 5 N, a leftward force of 5 N, an…

A: 1. An object is moving to the right at 2m/s and experiences a rightward force of 5 N, a leftward…

Q: What is the normal force exerted by an elevator on 55kg person if the elevator is moving upward at a…

A:

Q: wooden table. If you apply a horizontal force of 3 N to the block. Using your knowledge of friction…

A: Mass(m) = 0.1 kg Applied force (F) = 3 N

Q: book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What…

A: According to Newton's third law Every action has equal and opposite reaction.

Q: Acceleration = 1.1583 m/s^2 Mass of cart = 512.2 g Mass of hanging object = 250 g What is the…

A: Given, Mass of cart,  Mc=512.2 g=0.5122 Kg Mass of hanging object,  MH=250 g=0.25 Kg acceleration,…

Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A: Weight of person , W = 800 N  Acceleration of elevator , a = 0.5 m/s2  Mass of person , m = W/g  g…

Q: A boat moves through the water with two forces acting on it parallel to the water’s surface. One is…

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Q: A contestant in a winter games event pushes a 41.0 kg block of ice across a frozen lake as shown in…

A:

Q: You walk into an elevator, step onto a scale, and push the "down" button to go directly from the…

A: Given Data: The normal weight is: w=635 N The elevator move with constant speed (v=0). So, the…

Q: Assume the elevator is at rest. Rank the magnitude of the forces. Rank from largest to smallest. To…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: A student is standing on a scale in a stationary elevator. The scale reads 300 N.  If the elevator…

A:

Q: a 0.10g spider is descending on a strand of web which supports it with a force of 5.6 x 10-4 N. What…

A:

Q: You are standing on a spring scale on the floor of an elevator. Among the following options, the…

A: Whenever an object is moving with non-uniform velocity, it experiences an acceleration. That is…

Q: What is the furthest you can move the car by pulling on it with this rope for 4.0 s?

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Q: When applying a constant force for 5 seconds to different objects each with a starting velocity of…

A: When a constant force is applied to an object, it undergoes a constant acceleration according to…

Q: Jack pushes a sled through loosely packed snow. Using a constant force, he pushed 4 second and gave…

A:

Q: An engineer claims to have a new kind of "safety" air-brake for elevators. If the cable should snap,…

A: Mass, m = 700 lb = 700×0.453 kg = 317.1 kgSpeed, v = 40 mph = 40×0.447 m/s = 17.88 m/sTime, t = 1/20…

Q: It takes the elevator in a skyscraper 3.0 s to reach its cruising speed of 9 m/s. A 50 kg passenger…

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Q: An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting…

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Q: A person stands on a scale inside an elevator at rest. The scale reads W=666 N. The elevator moves…

A: from the second law of motion F=ma here  F=force acting on the person by the surface of the elevator…

Q: A 1250-kg car is being pulled up a frictionless ramp at a constant speed, as shown in the figure.…

A: Given:Mass of the car = 1250 kg

Q: A block slides down a smooth inclined plane with an acceleration of 4.9 m/s2 . If the block weighs…

A: The free body diagram is shown below,

Q: A crate with a mass of 15kg is being dragged across the groud at a constant velocity of 2.0 m/s by…

A:

Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

A:

Q: the weight of the skydiver is 540 N , therefore her mass is 55 kg. Her donward force is F= m x a so…

A: As per your assumptions, we have: Weight, W = 540 N So mass is given by, m = W/g = 540/9.8 = 55 kg…

Q: 1. A motorcycle's engine with weight w hangs from a chain that is linked at ring J to two other…

A: (a) Free-body diagram is a diagram where all forces are shown in the diagram. The free-body diagram…

Q: The coefficients of static and kinetic friction between a 3.0-kg box and a horizontal desktop are…

A: Given data:  Mass (m) = 3.0 kg Coefficient of static friction (μs) = 0.40 Coefficient of kinetic…

Q: If you have a mass of 100 kg on the earth and are taken to a planet where the acceleration of…

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Q: inertia does not depend upon speed, but rather upon mass. Whom do you agree with? Why?

A: Inertia is a tendency of every body to resist its change of state.Inertia of a body depends on its…

Q: Three blocks (labeled 1,2, and 3), each with different mass, have a forceexerted on them. The…

A: The slope of the straight line plotted between x axis and y axis  is given by dydx The body when…

Q: A 6.0-lb stroller resting on a horizontal floor is pulled by a 85-lb boy with a constant force of…

A: This problem is based on kinematics. Please have a good look

Q: A 25-kg fox accelerates at a constant 8.5 m/s², from 1.3 m/s to 16.7 m/s. Neglecting air resistance,…

A: Given Mass of box is m=25 kg Acceleration of fox is a=8.5 m/s2 According to Newton's second law,…

Q: A cart of weight 15.0 N is accelerated across a level surface at 0.15 m/s?. What net force acts on…

A: Weight of the cart (w) = 15 N Acceleration (a) = 0.15 m/s^2

Q: An elevator has a scale that measures th elevator is accelerating up at a rate of 1.5 Your answer: O…

A: The elevator is accelerating upwards, hence the net normal force acting isgiven by second law of…

Q: Ten boxes each of mass 5kg are stacked on top of each other on the floor. () What forces act on the…

A: simple vertical force balance equations will be used here.

Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given :-  acceleration = 4 m/s2 F = 45 N

Q: QUESTION 1: If you can exert a pull that is greater than your weight, why can’t you fly off the…

A: 1. A body of mass m always has weight equals to mg. The body on earth can be in rest only if its…

Q: Three objects are connected as shown in the figure. The strings and frictionless pulleys have…

A:

Q: In the figure, two wooden blocks each of 0.50 kg mass are connected by a string that passes over a…

A: Mass = 0.5 Kg

Q: Fpush An box on a rough horizontal surface has a maximum possible static friction of 5 N and kinetic…

A:

Q: An elevator accelerates upward at 6.6 m/s ^ 2 A passenger with amass of 64 kg stands on the scale…

A: Given data: Acceleration of elevator (a) = 6.6 m/s2, upward Mass of passenger (m) = 64 kg…

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: