30° i 30° B A ww WWw

Q: A 12-kg crate rests on a horizontal surface and a boy pushing it with a force that is 30° below the…

A: The force of friction is a reactionary force and is proportional to the normal force an object…

Q: A 1.30-kg toaster is not plugged in. The coefficient of static friction between the toaster and a…

A:

Q: A mass of 340 kg is suspended from a ceiling by two pieces of string, 80 cm and 150 cm long, from…

A:

Q: A block with mass mp = 6.75 kg is suspended on a string. You pull upwards on the string creating a…

A: Given value--- mass = 6.75 kg. tension = 70.9175 N. initial speed = 3.25 m/s. time = 2.5 second .…

Q: A 5kg box is resting on an inclined plane with an elevation of 35° above the horizontal and being…

A:

Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk…

A:

Q: P1 7.

A:

Q: A 5.00-kg box sits on a ramp that is inclined at 37.3° above the horizontal. The coefficient of…

A: The frictional force is the force that is produced when two surfaces in contact move against each…

Q: 1. A man drags a 150-lb crate across a floor by pulling on a rope inclined 15° above the horizontal.…

A: In kinetic friction,  Net force = mass × acceleration.

Q: a) 61.3N b) 47.2N c) 33.4N d) 74.58N

A:

Q: An object weighing 500kg is to be pulled by a man by exerting a force P. Force P is inclined at an…

A:

Q: A crate with mass m2 =10kgs and a block with mass m1 =7kgs hung on a pulley system. Ignoring the…

A:

Q: If an object has a mass of 22kg at sea level, (a) what will be its weight at a point where the…

A: Given data:  Mass (m) = 22 kg Acceleration due to gravity (g) = 9.75 m/s2

Q: 2) The situation is the same as in problem #1, but now there is friction between block 1 and the…

A:

Q: 10) Two masses mı = 3kg, m2 = 5kg are connected by a very light string. The mass hanging off the…

A: m1=3 kgm2=5 kgF=100 Nμ=0.3θ=40

Q: A 1.45 kg box is placed on a ramp that is 21° above the horizontal. If the coefficient of static…

A:

Q: Hint Suppose you have a 121-kg wooden crate resting on a wood floor, with coefficient of static…

A: These are multiple questions , hence we are providing solution for first one (both parts) here.…

Q: You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is…

A:

Q: A 1 000-N crate is being pushed across a level floor at a constant speed by a force F of 300 N at an…

A: F=Applied force=300 N.f=Frictional forceμ=Coefficient of kinetic frictionθ=Angle at which force is…

Q: A block with a mass of 12.4 kg is hanging by two strings that are firmly attached to the ceiling.…

A:

Q: 20 kg block is suspended by 2 very thin ropes that meet at a 400 angle. What is the tension on the…

A: For equilibrium horizontal as well as vertical forces are balanced

Q: An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 4.10 kg.) T T2…

A:

Q: A 20-kg loudspeaker is suspended 2.0 mm below the ceiling by two ropes that are each 30∘∘ from…

A:

Q: Hopeful for greater opportunities, Juan applies for an international scholarship. Fortunately, he…

A: there are three forces acting on hand , T= tension, W = the weight force and the normal force.…

Q: A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the…

A:

Q: 4. What is the tension in string 2 if the tension in string 1 is 31N in the picture? T1= 31N T2 50…

A:

Q: An object weighing 500kg is to be pulled by a man by exerting a force P. Force P is inclined at an…

A:

Q: A Christmas light hangs on a series of strings as shown in the figure below. The tension on string…

A: According to company policy, only first three subparts will be answered here. Please post the rest…

Q: Assume 50kg of mass are placed on the pan of a spring balance located on a freight elevator; local…

A:

Q: In the figure below, the net external force on the 28 kg mower is given as 56 N. Fnet If the force…

A:

Q: If the coefficient of kinetic friction, lk, between the block and the surface is 0.30 and the…

A: Frictional force, fk=80 N μk=0.30

Q: A loudspeaker of mass 19.0 kg is suspended a distance of h = 1.40 m below the ceiling by two cables…

A:

Q: 2. A massless string connects two blocks over a frictionless pulley, as shown in the diagram. I 0.80…

A: A massless string is connected with two blocks over a frictionless pulley.  Given,  M1 = 2 kg  M2 =…

Q: In the figure, w is 60 N a.) What is the tension in the diagonal string? b.) Find the magnitude of…

A: Given information: Here, w is the weight of the block.

Q: 5. A 100 N block on a horizontal surface is acted upon by two horizontal opposing forces: P2 = 500 N…

A: There are two types of physical quantities in general- scalar and vector. Scalar quantities have…

Q: The tension in a violin string is2.7 N. When pushed down against the neck of the violin, the…

A: Let T be the tension in the violin string, and θ be the angle made by the violin string with the…

Q: A box is suspended by a rope. When a horizontal force, F = 500N, acts on the box, it moves to the…

A:

Q: cat Sup- QC (a) Find the tension in each cable supporting the 550-N burglar in Figure P4.17. (b)…

A: (a) The tension in each cable supporting isT1=550N T2 =952.62N   T3= 1100N (b) If the left end of…

Q: The cable supporting a 220-kg elevator can withstand a maximum tension of 2100 N. What maximum…

A: Given data Mass ( m ) = 220 kg  Tension ( T ) = 2100 N  Acceleration due to gravity ( g ) = 9.8 m/s2…

Q: A 10.0 [kg] block is pushed by a 45.0 [N] force against a rough wall that is inclined at an angle…

A:

Q: Question 1. A mover is pulling a box with a force of magnitude F directed at an angle of a above the…

A:

Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

A: mass = 6 kg g = 10 ms2

Q: 1) If a force of 35 N acts on a spring with a spring constant of 192 N/m, how far does the spring…

A: We know that from Hook's law that  F=kxWhere, k= spring constantx= displacementF= force

Q: In the following figure, m1 = 20.0 kg and α = (50.3)o. The coefficient of kinetic friction between…

A: Given that:- Mass of block1=m1=20kg

Q: Dallas is on her ATV when she gets stuck in the mud. The only way she can get out is if a helicopter…

A: We know that the force P in the rope needed to pull Dallas ATV up the incline at an acceleration of…

Q: The figure below shows a box with a mass of m = 3.10 kg on a plane inclined at an angle of 35.0°.…

A: Consider the normal reaction on the box be N, the mass of the box be m, the weight of the box be w,…

Q: MY NOTES ASK YOUR TEACHER An elevator car has two equal masses attached to the ceiling as shown.…

A: The figure shows the free body diagram of the elevator car.

Q: An elevator weighing 9800N is supported by a steel cable. (a) Find the tension in the cable at rest,…

A: Given : weight = 9800 N Upward acceleration = 5 m/s2 Downward acceleration = 5 m/s2

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!