5 ooints Ignore air resistance. A bowling ball in the shape of a solid sphere rolls without slipping down a ramp with a height of . starting from rest at the top, The ball's speed when it reaches the bottom of the ramp is given by the formula Note The moment of inertia of a solid sphere around the axis through its center is given in tables as Iid aphere = MR You should hind that the Ms and Rs cancel out of your equations /2gh V U V1.bgh = Vgh

In this case, the applied force is always pulls upward, but the amount of force that can be applied can vary between 0-350 N (maximum). The locations of the applied force and resistance cannot be changed. Which of these statement is true? Select one: O The system could lift any resistance less than, but could not lift a resistance = 250 N. The system could lift any resistance that was 350 N. O The system could raise, but would be unable to lower a resistance.

Figure a 1.5 in. 1 in. 0.5 in. 0.5 in. 3 in. - 3 in.

At a certain instant, the particle of mass m has the position and velocity shown in the figure, and it is acted upon by the force F. Determine its angular momentum about point O and the time rate of change of this angular momentum. Use m = 2.8 kg, a = 0.58 m, b = 0.98 m, c = 0.60 m, and F = 100 N and v = 3.5 m/s. m F

Q.3) Determine Ixx and lyy for the composite section shown below. 50 mm 25 mm 30 mm 25 mm 50 mm 50 mm

Question 6 a) The bore of each cylinder in a six-cylinder car engine is 45 mm and the stroke for each piston is 125 mm. calculate the cubic capacity of the engine in cubic centimetres (cm³); and calculate the clearance volume per cylinder for a compression ratio, r, of 8.75. b) The bore of each cylinder in a four-cylinder four-stroke internal combustion engine is 38 mm and the stroke of each piston is 165 mm. During testing, the engine runs at 180 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 3.4 cm² and a diagram length of 1.2 cm. The pressure scale on the indictor diagram is set to 150 kN/m² per cm. Calculate the mean effective pressure (m.e.p) and the indicated power developed by this four-cylinder four-stroke engine. c) Figure Q6c shows a pulley system with a suspended load w of 2000 N. Calculate the following: (i) (ii) (iii) (iv) The effort force (FEffort) necessary to lift and hold a load of 2000 N. The ideal mechanical advantage…

answer this; The numerical value of ? can be calculated as  mm

The steel bar has the original dimensions shown in the figure. (Figure 1) It is subjected to an axial load of 50 kN. E=203 GPa, Va 0.30. Figure 1 of 1> 50 kN -60 mm - 20 mm 20 mm 200 mm 20 mm 350 mm 50 mm s0 kN 200 mm

Round number to three significant figures. 2.3499999995

The system shown is in static equilibrium and motionless. Consider the 10 kN force as "the load" on the system. • The coefficient of static friction at a rope/shaft interface is 0.25. • The coefficient of kinetic friction at a rope/shaft interface is 0.16. NOTE: • Submitted responses shall be to 4 significant figures. Do NOT use scientific notation. Find: 8. The angle of wrap around the upper-left shaft is 9. The angle of wrap around the lower-right shaft is 10. The maximum magnitude of the force P that will not initiate upward motion of the load is rad. _kN. 11. The minimum magnitude of the force P that will not initiate downward motion of the load is _kN.