31° Fregs 15°

Q: A block of mass M = 101.0 kg on an inclined plane is attached to another block of mass m via a…

A:

Q: Determine the resultant of the four forces acting the circular plate and the angle e, which the…

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Q: On a rough surface you want to pull a heavy object of 125 kg, if the coefficient of friction is µk =…

A:

Q: A block of mass M is at rest on a plane inclined at an angle θ to the horizontal, as shown: If the…

A: From Newton's law Mgsinθ=μkMgcosθsinθ=μkcosθsinθcosθ=μktanθ=μkθ=tan-1μk  =tan-10.42…

Q: A block is placed on a 10° incline plane. The block has a mass of 150kg. The coefficient of static…

A: Given:-  A block of mass m = 150 kg  The inclined plane has a 10o angle  The coefficient of the…

Q: A box weighing 150 lbs is moved across a horizontal floor by dragging it by means of rope attached…

A: The sum of vertical forces acts on the box is ∑Fy=0N+Fsinθ-W=0                                1 The…

Q: A 250 N block is initially at rest on a flat surface that is inclined at 30°. if the coefficient of…

A: Given: The weight of the block is 250 N. The angle of inclination is 30 degrees. The coefficient of…

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

A:

Q: A heavy sled is being pulled by two people, as shown in the igure. The coefficient of static…

A: Given:

Q: When a surface is horizontal and only gravity acts on an object, the normal force exerted by the…

A: Draw the free body diagram when the object is on the surface.

Q: Two blocks A and B are connected by a horizontal bar whose mass is negligible. The mass of block A…

A:

Q: A tool box of weighing 50.0 N rests on a horizontal surface. The coefficient of static friction…

A: A box , weight = 50 N Coefficient of static friction = 0.40 Coefficient of Kinetic friction = 0.20…

Q: A block is pressed against a vertical wall by a force F ,as the drawing shows. This force can either…

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Q: block of mass M is pulled by a force T at an angle theta about the horizontal and moves at constant…

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Q: A block of mass m is pulled along a rough horizontal floor by an applied force P as shown. The…

A: Answer is option (d) mg- P sinθ

Q: A 4.870 kg block of wood rests on a steel desk. The coefficient of static friction between the block…

A:

Q: A horizontal force of 20 N is required to keep a 6.0 kg body in uniform motion along a horizontal…

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Q: A hiker who has broken his forearm rigs a temporary sling using a cordstretching from his shoulder…

A: Given: The cord holds the forearm level with the horizontal where it attaches to the hand and…

Q: A 100-kg block is moved at a constant speed along the horizontal surface by a force inclined above…

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Q: In about 1915, Henry Sincosky of Philadelphia suspended himself from a rafter by gripping the rafter…

A: Given information: Here, m is the person’s mass and µ is the friction coefficient between the hand…

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A:

Q: 4.4 · A man is dragging a Figure E4.4 trunk up the loading ramp of a mover's truck. The ramp has a…

A: a) Horizontal component of Fx Fx= Fcosθ 60=Fcos30 F= 69.28N

Q: A 150-pound weight is suspended from two chains, making angles with the vertical of 0 = 30° and p =…

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Q: 1.24 The total aerodynamic force F acting on the airplane has a magnitude of 6250 lb. Resolve this…

A: Magnitude of aerodynamic force (F) = 6250 lb  Angle made with the vertical = 6 degree

Q: For the next three items: A 200 kg plank is projecting a distance L = 5.0 m from a wall which is…

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Q: A 4.0 kg block is on the verge of sliding down an inclined plane with a θ-degree angle of incline.…

A:

Q: An elevator cab and its load have a combined mass of 4.3 kg. When the cab, originally moving…

A:

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, The coefficient of static friction between the sled and the ground μs=0.603 Kinetic…

Q: An elevator cab and its load have a combined mass of 7.4 kg. When the cab, originally moving…

A:

Q: A mass of 62 kg is suspended from a ceiling by two lengths of rope that make angles of 52deg and…

A: Given that --- mass = 62 kg angles is 52deg and 74deg with the ceiling. Question ? Determine the…

Q: A block of mass M1 = 3 kg rests on top of another block of mass M2 = 5 kg. As shown in the figure,…

A: Draw the free-body diagram of the upper block.

Q: Each box weighs 10 N. The coefficient of friction between box A and box B is 0.25 and the…

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Q: The 300-lb block shown in the figure is kept from sliding down the inclined plane by friction and a…

A:

Q: A block with a mass of 15.9 kg is held in equilibrium on an incline plane of angle of 57.9° by the…

A: Given: mass of block m=15.9 kg angle = 57.9o horizontal force = F we have to ignore friction force.

Q: An elevator cab and its load have a combined mass of 1.1 kg. When the cab, originally moving…

A:

Q: If an object is on an inclined plane having an angle e, what is the component of weight (w) parallel…

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Q: A particle, which remains at rest, is acted on by three forces: F, G & H. The force F has a…

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Q: To hang a 6.20-kg pot of flowers, a gardener uses two wires—one attached horizontally to a wall, the…

A: Consider the free body diagram:

Q: An object of mass m is at rest on a rough horizontal plane with a coefficient of static friction ue…

A:

Q: A ramp is inclined at 5 degrees with the horizontal.  A barrel weighing 6 kilograms is placed on the…

A: It can done as below

Q: Logs weighing 1.3 kg and 2.2 kg lie on a flat surface and are connected by a rope that breaks at a…

A:

Q: A block (mass = 200.00 g) is placed on an inclined plane 45 degrees from the horizontal. The…

A:

Q: Why isn't the total tension of a rope zero if the two ends of an equilibrium rope are pushed with…

A: Tension force: Tension force is the force produced when a load is applied in a directed away from…

Q: If two given forces P & Q, acting under the angle a are applied to the body at A, find the formulas…

A: Resultant of P & Q  R = √(P2+Q2+2PQCosα)

Q: A woman is trying to pull a loaded sled of mass m=75 kg along a horizontal surface with a rope. The…

A: Given that, Mass = 75 kg Coefficient of friction = 0.10 Angle = 42o

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?”