With no losses in the string-pulley system, calculate the force (in Newtons) Alice must pull on the string to move the block up at constant velocity. Block's mass = 47 kg

Q: A rightward force of 40.0 N is applied to a 5.0-kg object to accelerate it across a horizontal…

A: The expression for the acceleration from Newton’s second law,

Q: Sled pull. Two people pull with constant forces 90.8 N and 93.0 N in opposite directions on a 23.7…

A:

Q: Two blocks are sliding down a 30◦ incline. The first block is 2 kg and has a kinetic friction…

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Q: A horizontal force of 40 N is required to start a 15-kg block sliding along a horizontal surface.…

A: Given:mass, m = 15 kgFapplied = 40 N

Q: 100 car train is pulled by a 200T locomotive. Assume that the ars are all identical and weigh 100T…

A: According to Newton second law  F = ma

Q: Given the figure below. frictionless, massless pulleys 500kg H=0.2 400 kg a. Find the acceleration…

A: Given data: The mass of wedge A, mA=500 kg. The mass of wedge B, mB=400 kg. The coefficient of…

Q: A 28-N force is applied to a 5-kg object to move it with a constant velocity of 3.4 m/s across a…

A: Given  Force applied on object Fa=28 N Mass of the object m=5 kg Acceleration due to gravity…

Q: A piece of luggage in an airport moves down a ramp at a constant speed. What is the net force on the…

A: Given that, Constant speed of a piece of luggage.

Q: A rope exerts a constant horizontal force of 280 N to pull a 50kg crate across the floor. the…

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Q: if a box slides down a hill, then stops on the hill what is the direction of friction

A: Friction is a force between two surfaces that are sliding, or trying to slide, across each other.…

Q: A 2.0 kg and a 6.0 kg block are connected by a light string over a frictionless pulley. The two…

A:

Q: A sprinter with a mass of 88 kg accelerates uniformly from 0 m/s to 8 m/s in 3 s. (Assume the…

A: Initial velocity is u = 0 m/s Final velocity is v = 8 m/s Time taken to accelerate is t = 3s

Q: A car travelling along a level road at speed v slams on the brakes and skids to a stop. The force of…

A: Let Weight of car =w =mg      m is mass of car Friction on car =0.5w Now deacceleration of car =…

Q: Two blocks with equal masses linked by thread, thrown over a weightless pulley. Planes on which the…

A: Analyze the free body diagram of the blocks. Note- Consider the rightward direction along the…

Q: A trapeze artist starts her motion on the trapeze from rest with the rope at an angle of 45°…

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Q: A girl stands on a sofa. Identify all the action/reaction pairs of forces between the girl and the…

A: Newton’s third law states that every action has an equal and opposite reaction.

Q: How do I incorporate the velocities given to find the Force?

A: Given:Mass of the block = 10 kgForce on the block to keep it moving with a constant velocity = 200 N

Q: A 3.0-kg block slides on a frictionless 20° inclined plane. A force of 16 N acting parallel to the…

A: Solution: given that mass m = 3 kg F= 16 N angle = 20 degree

Q: Two masses are connected by a string. One block is on the table, the other is over the ec…

A: Given Coefficient of kinetic friction = 0.50 acceleration of the black m2 = 1.2 m/s2 mass of block…

Q: Two masses m1 and m2 connected to a light string that goes over a pulley as shown in the diagram.…

A: Given data:  Two masses connected by light string  System at rest m1 = 2.4 kg   m2 = 1.2 kg…

Q: A box is placed on a 30° frictionless incline. What is the acceleration of the box as it slides down…

A: Given Data : The angle of inclination of the plane is given as θ=300.

Q: 30°. Block A slides down the incline at constant speed. What is the mass of block B? Assume the…

A: Now, according to diagrams the component of the weight in the direction of the incline

Q: A man pushes a box that is on a ramp. The box has a mass of 5 kg and the ramp is at 30° compared to…

A: Given data: -  The mass of the box is m = 5 kg. The angle of the ramp is θ = 30o. The pushing force…

Q: A stationary picture frame hangs from a nail by a single string. Sketch the FBD of the picture…

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Q: A 3.0-kg block slides on a frictionless 20° inclined plane. A force of 16 N acting parallel to the…

A: The block is on the incline. Its weight acts vertically downwards. We resolve it into components…

Q: A raindrop of mass 3.35 × 10-5 kg falls vertically at constant speed under the influenceof gravity…

A: Mass (m) = 3.35 * 10-5 kg h = 100 in = 2.54 m

Q: When a car brakes hard and skids, the maximum deceleration is 6 m/s². The coefficient of friction…

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Q: A 10.-kilogram rubber block is pulled horizontally at constant velocity across a sheet of ice.…

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Q: Two blocks are connected by a massless string over a frictior this diagram. There IS FRICTION ON…

A: Friction force  mass m1 = 0.80 kg  μk = 0.14 friction force  f1 = m1g μk  = 0.80x 10 x0.14 = 1.12…

Q: A ramp with a height of 10.0 m has an inclination angle of 30 degrees. A 12.0 kg block is sitting on…

A:

Q: What is the acceleration of a block in picture on a frictionless plane incline at an angle θ with…

A: Given data: Angle of inclined plane =θ

Q: A block whose weight is 31.6 N rests on a horizontal table. A horizontal force of 25.3 N is applied…

A: The maximum frictional force be calculated as, fs=μsmg=0.64931.6 N=20.7031 N

Q: The 2263-N block shown is in contact with 45° incline. The coefficient of static friction is 0.23.…

A:

Q: Marcel pushes a 5kg box to the right with a force of 105 N and his friend Sharon pushes 60 N to the…

A: Given data The mass of the box is given as m = 5 kg. The force applied by the marcel in the right…

Q: A load of 15.0 kg of bricks hangs from one end of a rope that passes over a frictionless pulley. A…

A: Given data, Mass of the blocks = 15 kg and 28 kg

Q: The normal force is always directed Select all that apply. (Hint: The object in the possible answers…

A: Whenever two surfaces comes in contact with each their they start applying normal force on each…

Q: 3. Two 25.0N weights are suspended at opposite ends of a rope that passes over a light, frictionless…

A:

Q: A block of mass M=8.2 kg placed on a table is pulled to the right by a rope with tension T=40.0 N as…

A: Given data: Mass of the block m =8.2 kg Tension of the rope T =40.0N

Q: A 3.0 kg block moves up on a rough 20° inclined plane with µk = 0.43. A force of 16 N parallel to…

A:

Q: Slanting Surfaces Without Friction: A 150-N crate is being pulled up a perfectly smooth ramp that…

A: Given:  A 150-N crate is being pulled up a perfectly smooth ramp that slopes upward at 15° by a pull…

Q: A woman pulls a sled with her son (total mass of 80 kg) with a force of 18o IN angled at 20° from…

A:

Q: There are two blocks, A and B, of weight w, and wɛ (respectively). Block A and B are connected by a…

A: Given: weight of block A = wA weight of block B = wB Block A slides on incline with angle = ϕ…

Q: The diagram represents the forces acting on a block that accelerates at 5.0 m/s/s on a frictionless…

A:

Q: A woman pulls a sled with her son (total mass of 80 kg) with a force of 180 N angled at 20° from the…

A:

Q: A skier is descending down a frictionless 30 degree slope. What is the skier’s acceleration?

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Q: A parachutist relies on air resistance to decrease her downward velocity. She and her parachute have…

A: The net force is given by  Force = mass x acceleration

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.