A contestant in a games event pulls a 30.0-kg rock across a rough surface for 30.0m with a rope over his shoulder. The tension, T, in the rope is 75 N and the rope is θ = 20° above the horizontal as shown. The magnitude of the friction force, f,  between the rock and the floor is 19 N. What is the weight of the rock? What is the acceleration of the rock?Do not include the units with your answers. Add a negative sign if needed. Round your answer to 1 decimal place.

Q: 4. At one moment during its flight, a thrown baseball experiences a gravitational force of 1.5 N…

A: gravitational force (w) = 1.5 N (down) air resistance force (F) = 0.4 N @ 32o above the horizontal…

Q: A block of mass m₂ = 41.9 kg on a horizontal surface Assume that the horizontal surface is smooth.…

A: We have two blocks of masses m1=41.9 kg and m2=21.6 kg which are connected by a string on a…

Q: In the figure below, a box of Cheerios (mass mc = 1.6 kg) and a box of Wheaties (mass mw = 2.4 kg)…

A: Mass of the Cheerios box is m = 1.6 kg Mass of the Wheaties box is M = 2.4 kg Friction force acting…

Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is…

A:

Q: What is true about the net force on an object if it has an acceleration of zero? Group of answer…

A: Given data The acceleration of the object is given as a = 0 m/s2.   The mathematical relationship…

Q: Find the acceleration of the 2.0 kg crate

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

Q: A 12 kg block hanging on a string is pulled upward by the string with an upward acceleration of 6.2…

A:

Q: A block of mass m1 = 3.18 kg on a frictionless plane inclined at angle 0 = 31.9° is connected by a…

A:

Q: 1. Answer the following questions. A. Find the resultant vector of F, and F2 F, = 4.50 kN F2 =4.00…

A: F1 = 4.5 kN = 4.5 x 103 N F2 = 4.0 kN = 4.0 x 103 N m=the 3.0 x 10-3 kg Coefficient of static…

Q: A block of mass m₂ = 41.9 kg on a horizontal surface is connected to a mass m₂ = 21.6 kg that hangs…

A:

Q: A person pushes a 0.20 kg lunch tray across a table, and it slows down as it slides because of…

A: Mass of lunch tray = 0.2 kg  Coefficient of static friction = 0.15  Coefficient of kinetic friction…

Q: The acceleration due to gravity at sea level is g = 9.81 m/s2 and is decreased 0.003 ft/s2 per 1000…

A:

Q: Three kids are pulling on a toy, but they aren't moving it.   One kid is pulling at an angle of 150…

A: person A is applying force of: 50 N in 150 degrees Person B is applying force of : 10 N in 40…

Q: 1. What is the force that is transmitted through a string, rope, cable, or wire when it is pulled…

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Q: The cable supporting a 2105 −kg elevator has a maximum strength of 23260 N. What maximum upward…

A:

Q: A ball with mass m 8 kg is attached to the ceiling of a moving elevator. The tension in the cable is…

A:

Q: A block of mass m₁ = 3.69 kg on a frictionless plane inclined at angle 0 = 33.2° is connected by a…

A:

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A: Given data: The tension in the rope is T=58 N. The mass of toy car is m=15 kg. The frictional force…

Q: • A volleyball player applies an average force of 9.9 N [33 degrees above the horizontal]. The force…

A:

Q: A body hangs from a spring balance supported from the roof of an elevator. If the elevator has an…

A:

Q: A block of mass m1 = 3.01 kg on a frictionless plane inclined at angle 0 = 33.2° is connected by a…

A: Given m1 = 3.01 kg m2 = 2.62 kg Angle of inclination @ = 33.2 ° To find a( acceleration of the…

Q: A horizontal force is used to pull a 5.0-kilogram cart at a constant speed of 5.0 meters per second…

A: Since the speed is constant there will not be any acceleration.

Q: The figure below shows an object with mass m = 5.2 kg pulled up a ramp inclined at an angle of 8 =…

A: mass=m = 5.2 kg force = F = 32 N Angle=θ=260

Q: A traffic light weighing 30 pounds is suspended by two wires as shown in the figure below. Find the…

A:

Q: Two blocks are tied together by a string. m, m, The blocks slide WITHOUT friction. The mass of block…

A: Please see the answer below

Q: Objects 1 and 2 are connected by a string, as shown. They are moving toward the right, and the…

A:

Q: A box with a mass of (18.2 + A) kg is pulled across a floor using a horizontal force of (48.1 + B)…

A: The mass of the box is m = (18.2+A) kg. The horizontal force acting on the box is F = (48.1+B) N.…

Q: A block of mass m1 = 3.59 kg on a frictionless plane inclined at angle 0 = 32.4° is connected by a…

A: Given, m1 = 3.59 kgm2 = 2.37 kgθ = 32.4°

Q: A block of mass m, = 38.7 kg on a horizontal surface is connected to a mass m, = 21.9 kg that hangs…

A: Free body diagram

Q: 6. The value of gravitational pull on the moon is 1.6 m/s/s. What is the weight of a 75 kg astronaut…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: How do you find the normal force between a table with a mass of 35 kg and the floor? (Assume that…

A: In this problem, it is asking the normal force between the table and the mass.

Q: hover puck has a mass of 1375 g, photogate 1 is at the 20 cm mark, photogate 2 is at the 70 cm mark,…

A:

Q: Express your answer with the appropriate units. HA O) E ? Fon 1 = Value Units Submit Part B 1.0 nC…

A: Force between two point charge F = kq1 q2 /r2  If two forces acts at a point net force can be…

Q: he magnitudes of the three forces applied to the eye bolt are T1 = 110 lb, T2 = 40 lb, and T3 = 150…

A:

Q: In applying the equation  W = (F cos(?))d to the upward force, which of the following expressions is…

A: Given data The equation for work done is given as W=Fcosθd. The force force F is applied in an…

Q: 24. Kageyama tossed the ball with mass of 745g almost vertically. What would be the force applied by…

A: Force applied by ball on the fingers while throwing it vertically

Q: A parachutist  wants to design a parachute, such that a person weighing 150 lbs(667N) descends at a…

A: The given equation for the terminal velocity is

Q: If an object weighs 981 N on earth, what would be the mass of the object if it was taken to the moon…

A: Weight of an object of mass m on Earth is  W=mg Where g is the acceleration due to gravity on Earth,…

Q: The figure below shows an object with mass m = 5.1 kg pulled up a ramp inclined at an angle of θ =…

A:

Q: Calculate the force (in Newtons) required to push a 30kg wagon up a 0.4 radian inclined plane. One…

A:

Q: 90-kg skydiver jumps out of a plane above the earth. As soon as he exits the plane, when there is no…

A: Mass of sky diver = 90 kg  No air resistance is present

Q: A sledge is being pulled by two horses on a flat terrain. The net force on the sledge can be…

A: A push or pull exerted on an object or energy as a characteristic of physical activity or movement…

Q: A 2 – kg box is being pulled by a force P = 30 N having an angle of θ = 35°. The surface is…

A:

Q: A block of mass m₁ = 3.22 kg on a frictionless plane inclined at angle 0 = 30.3° is connected by a…

A: The free body diagram of the blocks is a Mass m1 experiences a force of gravity which is expressed…

Q: A block of mass m1 = 3.13 kg on a frictionless plane inclined at angle 0 = 32.3° is connected by a…

A: Given data:  Mass (m1) = 3.13 kg Mass (m2) = 2.46 kg Angle (θ) = 32.3°

Q: A person of weighing 0.83 kN rides in an elevator that has an upward acceleration of 0.8 m/s2. What…

A: The weight of the person W=mg=0.83 kN=830 N Where m is the mass of the person and g is the…

Q: A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of…

A: Given data: Applied force (F) = 100 N Angle (θ) = 37°, above the horizontal Mass (m) = 40.0 kg…

Q: An object of mass 8.5 kg is suspended from a crane cable.  The tension force in the cable has a…

A: Given data:  Mass of the object, m = 8.5 kg   Tension force, T = 70 N

Q: 4. At one moment during its flight, a thrown baseball experiences a gravitational force of 1.5 N…

A:

Q: Newton's law of universal gravitation is represented by GMm F = r2 where F is the magnitude of the…

A: The expression for the gravitational force,

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?”