Is the force of static friction constant as the incline rises?

Q: A brick of mass m = 78 kg slides along a horizontal surface. The coefficient of friction between the…

A: Since the brick has an initial speed in the positive x – direction, Therefore, the frictional force…

Q: TE₂ on planet'

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Q: Derive the formulae for the range and height of a body launched with velocity v at an angle 0 to the…

A: This is a normal projectile motion where the particle is projected in a uniform force field along…

Q: Now the contestant pulls the 45-kg block of ice across the frozen lake with a rope over his shoulder…

A: Given, contestant pulls the ice block of mass m= 45 kg , on frozen lake with rope over his shoulder…

Q: Three blocks, light connecting ropes, and a light frictionless pulley comprise a system, as shown in…

A: Given,Tension in the rope connected block B and block C is, TC = 60 Nblock A is accelerated downward…

Q: Consider dropping a baseball from rest at an altitude of 300 m. Assume that the baseball has a drag…

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Q: Two particles are 1 m apart. Particle one has a mass of M= 1000kg, particle two has a mass of m= 100…

A: A. The gravitational force between the particles is F=GMmd2=6.67×10-11 m3kg-1s-21000 kg100 kg1…

Q: Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of…

A: Given data The angle of inclination is θ = 32°   (a) The expression for the normal reaction force on…

Q: Q3: Write down the equation of motion of a mass m constrained to move along the parabola y = x2.…

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Q: A student applies a 200 N force at an angle 60° below the horizontal to a 20 kg box initially at…

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Q: A 4.0-kg block is lowered down a 37° incline a distance of 5.0 m from point A to point B. A…

A: Given: Weight of the block is 4 kg The angle inclined is 370 The distance between point A to B is 5m…

Q: Part A If a car is moving to the left with constant velocity, one can conclude that ANSWER: there…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A rocket takes off from Earth's surface, accelerating straight up at 73.2 m/s2. Calculate the normal…

A: Acceleration, a = 73.2 m/s²Mass, m = 83.4 kgNormal force, F = ?

Q: 5.0 kg) on a tilted wooden board with an angle of 0 = 30° There is a metal block (m from the…

A: Given: The mass of the metal box is m = 5 kg The wooden board makes an angle with respect to the…

Q: A crate at rest having a weight of 1.60KN was dragged with a constant force of 0.75KN at an angle of…

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Q: a. Calculate the coefficient of kinetic friction between block A and the tabletop. b. A cat, also of…

A: Given diagram,

Q: An object of mass mm is at rest at the top of a smooth slope of height h and length L. The…

A: Given: mass = m length of ramp = L height of ramp = h

Q: Tommy is working on a physics problem and asks his friend Sarah to check his work. He is to draw a…

A: frictional force always act opposite to direction of motion that is if  man is walking to the left…

Q: Two snowcats tow a housing unit to a new location at McMurdo Base, Antarctica, as shown in the…

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Q: The 50-kg crate is projected along the floor with an initial speed of A m/s at x = 0. The…

A: Given that , Mass of the creat : m =50 m The value of normal force : N = mgThe value of…

Q: Does friction always oppose motion (i.e., does it always act in the direction opposite to that of…

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Q: The 80 kg man pushes on the 120 kg crate with a horizontal force F. The coefficients of static and…

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Q: An object is shot straight upward from sea level with an initial velocity of 400 ​ft/sec. a.…

A: Given, initial speed, u=400 ft/s the final speed at any respective point, v=? acceleration due to…

Q: A sled and rider have a total mass of 60.0 kg. They are on a snowy hill. The coefficient of kinetic…

A: The free-body diagram of a rider at the inclined hill is shown below.

Q: A car is traveling on a curved road with a radius of R=150m. The car is traveling at speed v=22 m/s…

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Q: A rocket takes off from Earth's surface, accelerating straight up at 37.2 m/s2. Calculate the normal…

A: Given data: Acceleration (a) = 37.2 m/s2, upward  Mass (m) = 81.4 kg Required:  The normal force…

Q: A rocket takes off from Earth's surface, accelerating straight up at 45.2m/s2. Calculate the normal…

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Q: Imagine that the block finally starts sliding down the plane with friction coefficient  (i.e.…

A: Yes, the speed at which the block reaches the bottom of the plane would depend on its weight. When a…

Q: 1. The 50-kg crate is projected along the floor with an initial speed of A m/s at x = 0. The…

A: Let the roll number of the boys is  = 400027588   so according to the question, the value of the…

Q: The gravity acceleration at a certain level is 9.78 m/s². This acceleration varies by 8.28 x 10-⁴…

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Q: A contestant in a winter games event pushes a 37.0 kg block of ice across a frozen lake as shown in…

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

Q: plock A is connected to a down the plane inclined at an angle of touching the wall of the inclined…

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Q: Suppose you are performing an experiment on a crate of 45-kg tools resting on a horizontal floor.…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”