a place where gravitational acceleration has 10 m / s2 module, the set below, in which friction is egligible, e pulley and the wire are ideal. Under these conditions, what is the strength of the force that the block is ercised in Block B? ven: a = 37°
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- wo blocks are positioned on surfaces, each inclined at the same angle of 52.3 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 3.16 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.440. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2? 2.34 kg 1.66 kg 10.38 kg 5.97 kgAn object moves up an inclined surface with angle 37° at initial speed 20m/s. Thecoefficient of friction is 0.3. Find the distance the object moves up the surface before itstops. What is the time required to move this distance? If the object now slides down theinclined surface , what is the time required to reach its initial point where it wasprojected?Problem 2: The 300 metric tonne jet airliner has four engines, each of which produces a nearly constant thrust of 180 kN during the takeoff roll. Determine the length s of runway required if the takeoff speed is 220 km/hr. Compute s first for an uphill takeoff direction from A to B and second for a downhill takeoff from B to A on the 0.5° Horizontal slightly inclined runway. Neglect air and rolling resistance. Ans. (a) S-807 m (b) sF751 m
- A box has a mass of 31 kg. A force of 163 N is applied to it at an angle of 45º. An object moves along a surface 15 m with a coefficient of kinetic friction of 0.09 and where its initial velocity is equal to 16 meters/sec. along this path: Determine the magnitude of the friction force.from the givens: I have calulated the value of static friction to be 0.84. Once the block slides down, the angle is kept constant. The block travels along the ramp by distance d = 2.0 m in time t = 1.5 s. Question : Determine the value of μk.A block weighing 38 kg is on an incline with a slope of 17o. If the block is at the verge of sliding down the incline, what is the static frictional force of resistance? A block weighing 25 kg is on an incline with a slope of 28o. If the block is at the verge of sliding down the incline, what is the static friction coefficient?
- A 5kg crate is simultaneously acted upon by a force of 60N acting to the right that is parallel to the surface, and a force of 10N acting to the left, which makes a 30 degree angle with the horizontal. If the coefficient of kinetic friction is 0.15, then the magnitude of the acceleration of the crate is about _____ m/s2.A 3.0 kg box is pulled by applying a force with magnitude 8.0 N at an angle of 60⁰ above the horizontal as shown below, what are the x and y components of the force, F.A 9.80-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.218, find the tension in the string. (The block slides to the right in the diagram below.) N m₁ mą
- An 5.2 kg wooden block is held against a wall with force (Fx) = 9.8 N. The friction coefficient between the two surfaces (µ)=0.50. Determine the acceleration of the block if a upward force of 36.0 N is applied. Use positive for an upward acceleration and negative for a downward acceleration.A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle e above the horizontal. The sled had mass M and does not move due to the frictional force. In this case the coefficient of friction is ug. In terms of the variables given and g, what is the magnitude of the frictional force in this case? Select one: O a. Tcose O b. H, Mgsin0 Ос. Tsin® O d. H, MgcoseA 3.30 kg block is on a 30° inclined plane with a coefficient of static friction of 0.33 and coefficient of kinetic friction of 0.30. what is the normal force and net force?