133. A wooden block is at rest on a wooden inclined plane. As the angle the plane makes with the horizontal is increased, the magnitude of the force of static friction between the block and the plane (1) decreases (2) increases (3) remains the same
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A: The frictional force can be given as, Ff=μFNFf=μmg The acceleration can be given as a=μsg
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Q: 132. A wooden block is at rest on a wooden inclined plane. As the angle the plane makes with the…
A: The expression for the frictional force is,
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- A 50.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300 and the coefficient of kinetic friction is 0.200. What is the friction force on the box if(a) a horizontal 140-N push is applied to it?(b) a horizontal 175-N push is applied to it?Our 10kg mystery box rests on a horizontal floor. The coefficient of static friction is 0.40and the coefficient kinetic friction is 0.30. Determine tge force of friction, acting on the box if a horizontal applied force is exerted on it of magnitude: (a) 0, (b) 10N, (c) 20N (d) 38N, and (e) 40N.(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 7.00 x 10-5 kg hangs motionless on it. (Enter a number.) N (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0⁰- TR Tinh Tr W -5.0° The strand sags at an angle of 15.0° below the horizontal. (Enter a number.) N Compare this with the tension in the vertical strand (find their ratio). (Enter a number.) (tension in horizontal strand)/(tension in vertical strand) =
- 3. Three blocks m¡, m2, m3 with masses of 2kg, 4kg and 6kg respectively are placed on a rough inclined plane with static and kinetic friction coefficients µs = 0,4 dan µk = 0,2, respectively. If the angle of inclination = 37° determine: a) the magnitude of F when the block is about to move downward b) the magnitude of F and the contact force for each block, when the block is moving upward with an acceleration of 2 m/s²Mbeom? 20kg (coble has negligible mass) wall cable Msign 10 leg a) draw Free Buoly diagrom of beom include 3 smpport forces (T, Wx, Wy) d weights %3D 30° beom sign -→ welcome!! b) Find thee tension in the cable (T) c) Find the horizontal ond vertizal components of the force the well exerts on the beam (Wx and Wy)A block of weight 50N is on a inclined surface with angle 0f 15⁰ with the horizontal. If the coefficient of static friction is 0.15, what is its maximum static frictional force that prevents it from sliding?
- A 1.5 kg block resting ina rough flat surface is pulled by a string. The string makes an angle of 20 degress with the horizontal. The coefficient of static friction between the blodk and the surface is 0.35. What is the maximum tension in the string to keep the block unmoved?A 98N force is needed to push a 45kg box across the wooden floor. What is the value of the coefficient of static friction across the floor and the box? O 0.212 O 0.222 O No answer O 0.122 O 0.012If you press an apple crate against a wall so hard that the crate cannot slide down thewall, what is the direction of (a) the static frictional force fs on the crate from the wall and (b)the normal force FN on the crate from the wall? If you increase your push, what happens to (c)fs, (d) FN, and (e) fs,max?
- A 45 kg box is at rest at one end of a 2 meter board. That end of the board is slowly raised at an incline until the box starts to slide. At that point, the angle is at 34 degrees. The coefficient of kinetic friction is 0.50N. Please help me calculate the coefficient of static friction between both the box and the board?Jamal and Dayo are lifting a large chest, weighing 207 lb, by using the two rope handles attached to either side. As they lift and hold it up so that it is motionless, each handle makes a different angle with respect to the vertical side of the chest (Fig. P5.76). If the angle between Jamals handle and the vertical side is 25.0 and the angle between Dayos handle and the vertical side of the chest is 30.0, what are the tensions in each handle? FIGURE P5.76How much sand (in kgs) is needed to be added into the can in order to overcome friction from the table? The box and the can weighs 3.5 kg and 0.5 kg, respectively and the coefficient of static friction between the box and the table is 0.35. Assume the pulley is frictionless.