Shown below are eight different force diagrams (labeled I to VIII). The full arrows touching the objects represent force arrows and the half-arrows above the objects represent speed arrows. II III IV VI VII VIII In which of the situations represented by these force diagrams would the speed of the object be changing?

Q: FR2: A cat climbs up the side of a tree, tilted at a 10 degree angle relative to the vertical (the…

A: Given, The angle by which the tree is tilted, θ=10° mass of the cat, m=5 Kg

Q: A 2 kg mass is moving with a constant velocity. An external force F is applied on the moving mass in…

A:

Q: This question also refers to the situation in Figure 1. There is no friction between the cart and…

A: Step 1 Given mass of cart is M=12.7(kg) mass of book is m=2.28(kg) co-efficient of static friction…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given : Mass of the person when elevator starts moving, m = 0.63

Q: (Newton's laws and their applications) A block with mass m1 slides down an inclined plane whose…

A:

Q: The student, whose mass is 68 kg, gets on a ferris wheel rotating at a constant speed. When the…

A: Given : mass of the student, m=68 Kg Reaction force by the seat at the top point, R=556 N…

Q: ation! A motor is used to pull a crate horizontally across the ground at a constant speed of 1.7 m/s…

A: Given, the crate moves with constant velocity, so:& So, net force = 0 N and this is a necessary…

Q: A 5.7 kg block is placed on a 57 degree incline. The coefficient of kinetic friction between the…

A:

Q: An Olympic skier moving at 37 m/s down a 26° slope encounters a region of wet snow of coefficient of…

A: We have given Initial speed u =37 m/s  Final speed v=0  θ=29o  μ=0.96 g=9.8 m/s2 Let R = normal…

Q: A package with mass m is released from an airplane traveling with a horizontal velocity v. The…

A: Assumption: The air resistance on the package is equal to zero. Let the horizontal component of the…

Q: 41° 63° T2 T3 w 200 N 6,4 N 20 kg 25 N 16 kg

A: Given data weight of traffic light (W) = 200N We have to find the mass of the trafic light

Q: A block is given an initial speed of 4.4 m/s up the 22° plane shown in the figure (Figure 1). Figure…

A: Given thatInitial speed of the blockThe angle of inclinationTo determine that(a)how far up the plane…

Q: A diver of 80kg jumps from a platform 5 m high into a pool. If the diver decelerates at a constant…

A: Given: Mass of driver M = 80 kg height of platform h = 5 m acceleration due to gravity g = 10 m/s2

Q: A robot pushes a 20-kg box on the horizontal surface as part of the moving job, the force is 35 N to…

A: Mass of box (m) = 20 kg Applied force (F) = 35 N Coefficient of static friction (μs) =…

Q: Part A Multiple-Object Accelerating Systems: Two boxes are connected to each other negligible mass.…

A: Weight of hanging object=30 Newton Weight of resting object=10 Newton Since the resting object on…

Q: Dana pushed a wooden crate that was at rest on the floor. The crate moved when she applied 49N of…

A: Given: The applied force is 49 N. The coefficient of the friction is 0.1.

Q: A 5.0 [kg] ball is kicked with an initial velocity of 3.0 [m/s] and lands at some height. Ignoring…

A:

Q: If his arms are capable of exerting a force of 1250 N on the rope, what is the maximum speed he can…

A: Newton's Second Law of Motion According to Newton's Second Law of motion, the rate of change of…

Q: school physics. Formula: 1/2 mv2 + Fd cos theta = 1/2      A 1600 kg car is moving along a level…

A: Given  Mass m = 1600 kg  Initial velocity u = 35 m /s distance travelled s = 60 m  Force F = -800 N

Q: A mechanic is dragging an 18-kg tire across the floor at a constant velocity, while pulling with a…

A: The free-body diagram of the object is shown below. Here, m is the mass, F is the applied force,…

Q: two blocks are attached together with a piece of string. Block #1 has a mass of 3 kilograms and…

A: Consider the free-body diagram of both the blocks as follows.

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: Problem 3: In the rollercoaster shown in the figure, the height of the first hill is 25.9 meters,…

A: Given that: The height of the first hill is h1=25.9 m The height of the second hill is  h2=14.4 m…

Q: A hand pushes block A (m= 3 kg) with a constant force Nand. A= 75 N for a distance Ax = 2 m along a…

A:

Q: This question also refers to the situation in Figure 1. There is no friction between the cart and…

A: Given mass of cart is mc=12.7kg mass of book is mb=2.28kg co-efficient of static friction between…

Q: I need help finding U, K, and E in the table.

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: The following information pertains to questions 1, 2, and 3. A workman pulls a sled across an…

A:

Q: do it by putting the words back, please

A: Roller coaster motion of a train is given.

Q: A study found that the coefficient of friction between the ice and curling stone is 0.02. The…

A: Coefficient of friction μk =0.02   Distance d = 30m

Q: a particle undergoes the force F at t=0 in r0 and with the speed V0. find r and V as a function of…

A: From the force that the particle undergoes, we can find its acceleration. As we know acceleration is…

Q: i need help with this please

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Q: The 1.3 kg physics book in figure is connected by a string to a 550 g coffee cup. The book is given…

A:

Q: A 110 kg block is pushed with a force of 340 N in the direction indicated on the image, on a plane…

A:

Q: A cord passing over a pulley connects two masses, as shown, where m, = 4.10 kg and m, = 8.10 kg. The…

A: Using Newton's second law of motion  The net external force on the object is equal to mass times the…

Q: A 250 gram block on a 30 deg inclined plane is attached by an inextensible string going over a…

A:

Q: she pulls a wooden block across a horizontal surface with a constant speed. For trial B, she…

A: In trial 1we can move the wooden block with constant speed by applying a constant amount of force…

Q: When the three blocks in the figure below are released from rest, they accelerate with a magnitude…

A: see handwritten below

Q: When a 60 kg skier first starts to be pulled up the ski hill by an old school T-bar, she undergoes a…

A:

Q: An electron is a subatomic particle (m= 9.11 x 10-31 kg) that is subject to electric forces. An…

A: Acceleration of the electron is a=v2-u22s. And hence the net force action on the electron is…

Q: After a long day of playing and catching bugs outside, a mama cat drags her basket of sleepy kittens…

A: The work done can be calculated by the work-energy theorem: W=PE+KE+ElostPE-potential…

Q: The L1 and L2 re the lengths of the rope that supports the masses M₁ and M2, respectively. The…

A: For the bar to remain horizontal ,we need to balance the torque about the pivot point of the rod (at…

Q: A hockey puck sits at rest on a frictionless surface. The puck is pushed with a particular constant…

A: We will answer the question using Newton's second law of motion and kinematic equation of motion.…

Q: 8. The ground reaction force acting on a long jumper is 6700N acting forward and upward at an angle…

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Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…

A:

Q: I'm having some issues understanding my physics homework. It doesnt look like what we were doing in…

A: (a)(i) Point P, where the speed is maximum is located at the lowest point on the roller coaster. At…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!