The loaded cab of an elevator has a mass of 1.40 × 103 kg and moves 186. m up the shaft in 16.0 s at constant speed. At what average rate does the force from the cable do wNork on the cab?

Q: There is a particle with mass m = 2 kg attached to a smooth wire that is positioned horizontally so…

A: Force along the horizontal constraint Fx=Fcosθ(t)=Fcos0.2t+0.3

Q: Cauchy is trying to push a cart with a force of 75N at an angle of 34 degrees, but the ground is…

A:

Q: On the way to lower floors, an elevator begins its descent from rest with a constant acceleration,…

A: To solve the given question, we need to find the acceleration of the elevator first. Given(s):…

Q: The cable supporting a 30 kg box has a maximum strength of 294 N. What maximum downward acceleration…

A: Given: mass of box, m=30 kg Maximum strength, F=294 N

Q: How much tension must a rope withstand if it is used to accelerate a 960 kg car horizontally along a…

A: The tension acting on the rope is equal to the force applied on the car. According to Newtons second…

Q: What force, applied parallel to the plane, is necessary so that a 100 lb object will slide down the…

A: Given data The mass of the object is m = 100 lb The acceleration of an object is a = 8 ft/s2 The…

Q: A baseball player with mass m = 79 kg, sliding into second base, is retarded by a frictional force…

A: Given,

Q: An inclined plane makes an angle of 30o with the horizontal. Neglecting friction forces, find the…

A: Make a free body diagram. F is applied force

Q: The parachute on a race car of weight 8 820 N opens at the end of a quarter-mile run when the car is…

A:

Q: A person whose weight is 520 N is being pulled up vertically by a rope from the bottom of a cave…

A: Given: The weight of the person is 520 N. The tension in the rope is 569 N. Depth of the cave is…

Q: A sphere of mass 3.0 = 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

A: Given:   mass of sphere, m = 3 x 10-4 kg  Angle, A = 37 degree

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

A: Given data:  Mass of elevator (m) = 2105 kg Maximum tension in cable (T) = 23260 N Required: The…

Q: An elevator, which weighs 8 tons with its load, is descending with a speed of 900 ft/min. Ifthe load…

A: The weight of an elevator is W=8 tons×2000 lb=16000 lb The load on the cables is wl=14 tons×2=28000…

Q: Suppose the coefficient of kinetic friction between mA and the plane is 0.15, and that mA = mB = 2.7…

A: (a) Since the masses are connected by a string, the acceleration of the masses is same. The net…

Q: An elevator cab and its load have a combined mass of 1600 kg. Find the tension in the supporting…

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Q: At time t = 0 s, a motor begins to move a small elevator of mass 117 kg by unreeling a cable. The…

A:

Q: A 1 kg ball tied to a 7.0 m rope which is hanging from a ceiling. Ball is making a circular motion…

A: Given data: Mass of ball is m=1 kg. Length of rope is l=7 m. Angle of rope is θ=45°.

Q: A sphere of mass 3.00 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

A: Consider the sphere’s mass be m, the sphere’s weight be w, the tension in the cord be T, and the…

Q: In the figure, a 5.50 kg block is sent sliding up a plane inclined at θ = 37.0° while a horizontal…

A:

Q: An elevator together with its passengers weighs 4900 N. At a certain instant, the tension in its…

A: Given: Weight of passengers M = 4900 N Tension in supporting cable at a time T = 5900 N

Q: Determine the height h above the base B at which the resultant of the three forces acts. 220 lb 36"…

A: In equilibriumΣ MB=0Summation of moment at B should be zero560x72-260x36-220x36+72…

Q: The two boxes have identical masses of 50 kg. Both experience a sliding frietion force with u =…

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Q: An elevator weighing 22.200 kN moving downward with constant acceleration travels a distance of 30 m…

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Q: If the coefficient of kinetic friction between a 33.0 kg crate and the floor is 0.360, what…

A: Given that:- Mass of crate=33kg Coefficient of kinetic friction=0.36

Q: A student pulls a box across a floor by means of a rope making an angle of 50º with the horizontal.…

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Q: of 2.50 kg with uniform velocity What force acting horizontally is necessary to move a mass along a…

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Q: 4) A 90 eg woman Stards yu an elevator. Find the force which the floor of the ele vator Pxert, on…

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Q: Find the acceleration when the coefficient of kinetic friction = 0.l1, given that pulley had…

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Q: mass of 3.52 kg object is attached to a string. If the force of tension in the string is 52.2 N j,…

A:

Q: If a mass of 4.01 kg object is attached to a string. If the force of tension in the string  is 51 N…

A:

Q: An elevator and its load have a combined mass of 1600 kg. Find the tension in the supporting cable…

A:

Q: How much tension must a rope withstand if it is used to accelerate a 1210-kg car horizontally along…

A: Given: Mass m = 1210 kg. Acceleration a = 1.30 ms2 To determine: Tension T. Formula used: Tension in…

Q: A 6.7 kg mass is released from rets while on an incline of 53.96 degrees. If the coefficient of…

A:

Q: A 50 kg block is being pushed horizontally with a constant force such that the acceleration is I…

A:

Q: For the given setup, find the acceleration and tension in the string. Assume the string is light and…

A: Acceleration due to gravity, g=9.8 m/s^2 Let acceleration in the string be a m/s^2

Q: If the coefficient of kinetic friction between a 22-kg crate and the floor is 0.30, what horizontal…

A: Given data: The mass of crate is m=22 kg. The kinetic friction is μ=0.3.

Q: A locomotive is pulling 12 freight cars, each of which is loaded with the same amount of weight. The…

A: The net force on the third car is, T23-T34=ma=37000 kg0.78 m/s2=28860 N Now, rearrange the above…

Q: As seen in the figure, two objects are connected by a light string that passes over a pulley.…

A:

Q: Two bodies move on a rough surface mk = 0.28 inclined at an angle of 31, if the suspended mass is…

A:

Q: A rod of length 56 cm and mass 1.4 kg is suspended by two strings which are 34 cm long, one at each…

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Q: A student attaches a rope to a 32 kg box, and drags it to the left with constant velocity of 1.08…

A: Given: Mass of box, m = 32 kg Velocity of drag of box, v = 1.08 m/s Tension in the rope, T = 235 N…

Q: A particle of mass 2 kg slides down a plane inclined at 30° to the horizontal with an acceleration…

A: Given: The mass of the particle is 2 kg. The angle of the inclination is 30°. The acceleration of…

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!