What are the complete forces acting on the piano? (A Weight, friction, normal force B Weight, friction, normal force, tension Weight, tension, normal force, applied force D Weight, friction, normal force, applied force
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- A tutor told me that the answer to 1b was 10N but I don't understand why it would be 10N for the tension. If that is correct could someone break it down for me?A 1.70 kg box rests on a plank that is inclined ut an angle of 63.0° above the horizontal. The upper end of the box isattached to a spring with a force constant of 16.0 N/m, as shown in the figure. If the coefficient of static friction betweenthe box and the plank is 0.26, what is the maximum amount the spring can be stretched and the box remain at rest?A simple pendulum with mass 0.246 kg hangs from string 1.46 m long. (See the figure below.) A leaf blowe constant horizontal drag force Fdrag of magnitude 1.50 N. Find the following. (Assume the pendulum is in i Farag grav (a) the tension in the string N (b) the angle the pendulum makes with respect to the vertical ° from the vertical
- An object, of mass m, is attached to a spring balance and its weight, w, measured and recorded. What will be the result if the object is taken to the Jupiter and weighed there where the gravitational field strength is greater?A 65 kg student is walking on a slackline, a length of webbing stretched between two trees. The line stretches and so has a noticeable sag, as shown. At the point where his foot touches the line, the rope applies a tension force in each direction, as shown. What is the tension in the line?Body A has a weight/force of 441.45N and the coefficient for Body A, Body B and ramp C is 0.10. What is the smallest mass of B to make the system in equilibrium while neglecting the friction between the string and the ramp? Show the complete solution and the FBD. Answer should be: 23.92
- 10. Consider the complicated arrangement below: de moni eosd altods beoga aldsso booe m m2 ivomoe A k of The coefficient of friction between m1 and the plane is µ1 and between m2 and the plane is µ2. Assuming a massless, unstretchable string and a frictionless pulley, obtain the relationship between the variables that determines which mass goes up and which goes down.A rope 10 m long is stretched between a tree and a car. A man pulls with a force of 10 N at right angles to ang at the middle of point of the rope and moves this point 0.5m. Assuming no stretching of the rope (theoretical), what is the tension in the rope at the final position?A manual roller of weight mg = 337.5 N is pushed with a force 182.8N at an angle 0, such that sin(e) = 0.4, with the horizontal direction. What is the force exerted by the floor on the box? F cose F sine mg
- he systems shown below are in equilibrium with m = 5.60 kg and e = 35.0o. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionle m m a b m m mCompute the following: 1. A 50kg sack of rice is pushed down with uniform speed across a horizontal floor by a force directed 30° below the horizontal. The coefficient of friction is 0.25. find the magnitude of the force. 2. Consider the illustration below which is at rest. The block of steel weighs 800 N. the coefficient of static friction between the block and table is 0.3. what maximum weight can the steel ball have so that the block will still remain at rest? T2 block 60° 800N T T3 table Hy= 0.3 W2 Steel ball 3. A 25kg bag of cement is lifted by means of a rope to the second floor of a building being constructed. Find the acceleration of the bag if the tension on the rope is (a) 245N, (b) 735N.The bracket, which is fastened to a wall by anchor bolts at A and B is loaded by the force P = 120 N and the couple C = 140 N.m. Replace P and C with (a) an equivalent force-couple system, the force of which acts at A; and (b) two vertical forces, one acting at A and the other at B.