Q8)A system of 1 120 kg empty trolley and a 100 kg counterweight is shown below. After the counterweight has dropped 5 m from rest, the velocity of the trolley is 3 m/s. If all frictional resistance can be regarded as a force. single force F acting on the trolley parallel to the plane, calculate the resistance 120 kg 20 100 kg
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Q8) A system of 1 120 kg empty trolley and a 100...
Question 4 A cargo trolley, mass 160 kg and constant tractive resistance of 102 N has...
Question 4 A cargo trolley, mass 160 kg and constant tractive resistance of 102 N has to be pulled up an incline of 600 using a light rigid rope of 20 mm diameter. The rope is wound around a drum at the top of incline. The drum has amass of 156 kg, radius of inertia of 180 mm, frictional torque of 20 Nm and a diameter of 5000 mm. Assuming that the rope is parallel to the plane. Calculate: (a)...
A trolley of mass 2-0 kg is catapulted up a slope. The slope is at an...
A trolley of mass 2-0 kg is catapulted up a slope. The slope is at an angle of 20 to the horizontal as shown in the diagram below. The speed of the trolley when it loses contact with the catapult is 3.0 ms1 slope trolley catapult 20° The size of the force of friction acting on the trolley as it moves up the slope is 1.3 N (a) ) Calculate the component of the weight of the trolley acting parallel...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless sp...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless spring (k 160 N/m) by a massless cord passing over a pulley P of radius R 0.25 m and mass M, 0.60 kg. The angle of the inclined plane is 0 37 and the coefficients of static and kinetic frictions are g 0.35 and A 0.30 respectively The frictional force at the axle of the pulley...
3) A 5 kg block is set into motion up an inclined plane with an initial...
3) A 5 kg block is set into motion up an inclined plane with an initial velocity of 8 m/s as shown below. The block comes to rest after travelling 3 m up the plane which is inclined at an angle of 30° W, = 8.00 m/s 3.00 m 30.0° For this motion, determine: a) The change in the block's kinetic energy b) The change in the block's potential energy c) The frictional force exerted on the object d) The...
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration res...
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration response is shown beside that. The damped period of vibration is to be Td sec. n u It is observed that the amplitude reduced to,% of initial value after 2 oscillations. x(o) 2 For the above question, determine the damped natural frequencies...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1 kg-m/s. What is the magnitude of the ball's velocity, just before hitting the floor? | 1 a. 2.3 m/s (2b. 3.2 m/s (3) c. 5.2 m/s 4 d. 10 m/s © e. 27 m/s A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1...
1. A 5 kg ball traveling to the right at 7 m/s collides with a 3...
1. A 5 kg ball traveling to the right at 7 m/s collides with a 3 kg ball at rest. After the collision, the 3 kg ball is traveling to the right at 8.75 m/s. What is the velocity of the ball on the left after the collision? 2. A 100-kg box on the right and a 45-kg box on the left are tied together by a horizontal cable. The 100-kg box is acted upon by an external force of...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
A particle with a mass of 3.00 kg is acted on by a force F, acting in the x-direction
A particle with a mass of 3.00 kg is acted on by a force F, acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following.(a) Impulse of the force (in kg · m/s) (b) final velocity of the particle (in m/s) if it is initially at rest (c) Find the final velocity of the particle (in m/s) if it is initially moving along the x-axis with a velocity of -2.00...
Q8. (6 pts.) Physics 211 Review: Static Equilibrium, Vector Addition & Trigonometry The figure below shows...
Q8. (6 pts.) Physics 211 Review: Static Equilibrium, Vector Addition & Trigonometry The figure below shows a mass M suspended from a vertical string. A horizontal force F is applied to the mass as shown, so that it is deflected by an angle 6 from the vertical. The entire system is in static equilibrium. Draw the free body diagram for the forces acting on the mass and determine an expression that relates F to the mass Mand the angle e....
Question 4 A cargo trolley, mass 160 kg and constant tractive resistance of 102 N has to be pulled up an incline of 600 using a light rigid rope of 20 mm diameter. The rope is wound around a drum at the top of incline. The drum has amass of 156 kg, radius of inertia of 180 mm, frictional torque of 20 Nm and a diameter of 5000 mm. Assuming that the rope is parallel to the plane. Calculate: (a)...
A trolley of mass 2-0 kg is catapulted up a slope. The slope is at an angle of 20 to the horizontal as shown in the diagram below. The speed of the trolley when it loses contact with the catapult is 3.0 ms1 slope trolley catapult 20° The size of the force of friction acting on the trolley as it moves up the slope is 1.3 N (a) ) Calculate the component of the weight of the trolley acting parallel...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless spring (k 160 N/m) by a massless cord passing over a pulley P of radius R 0.25 m and mass M, 0.60 kg. The angle of the inclined plane is 0 37 and the coefficients of static and kinetic frictions are g 0.35 and A 0.30 respectively The frictional force at the axle of the pulley...
3) A 5 kg block is set into motion up an inclined plane with an initial velocity of 8 m/s as shown below. The block comes to rest after travelling 3 m up the plane which is inclined at an angle of 30° W, = 8.00 m/s 3.00 m 30.0° For this motion, determine: a) The change in the block's kinetic energy b) The change in the block's potential energy c) The frictional force exerted on the object d) The...
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration response is shown beside that. The damped period of vibration is to be Td sec. n u It is observed that the amplitude reduced to,% of initial value after 2 oscillations. x(o) 2 For the above question, determine the damped natural frequencies...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1 kg-m/s. What is the magnitude of the ball's velocity, just before hitting the floor? | 1 a. 2.3 m/s (2b. 3.2 m/s (3) c. 5.2 m/s 4 d. 10 m/s © e. 27 m/s A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
Q8. (6 pts.) Physics 211 Review: Static Equilibrium, Vector Addition & Trigonometry The figure below shows a mass M suspended from a vertical string. A horizontal force F is applied to the mass as shown, so that it is deflected by an angle 6 from the vertical. The entire system is in static equilibrium. Draw the free body diagram for the forces acting on the mass and determine an expression that relates F to the mass Mand the angle e....
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