Question

Knowing that crank AB rotates about point A with a constant angular velocity of 950 rpm clockwise, determine the acceleration of the piston P when θ = 120°. (Round the final answer to the nearest whole number.)

The acceleration of the piston P when θ = 120° is ____ m/s² ↑.

Knowing that crank AB rotates about point A with a constant angular velocity of 950 rpm clockwise, determine the acceleration of the piston Pwhen 0 = 120°. (Round the final answer to the nearest whole number.) P D 150 mm ALA B The acceleration of the piston P when 9 = 120is m/s2

Answer 1

Solution - Givent- 0=120 290 150mm acceleration of piston = ap = ? BOB Axplo, Somm have n win clockwise direction For a system like this when o>90 a formula for acceleration of piston. ap-on w [ cose + Cosao where; r= length of Crank AB wswofab about Ain. 50 mm.= 0.05m. n = Length of crank Bo Length of crank AB ".n. - 3. so se given, o=1200 w=950 rev/min - 950 x 210 Radians anticlockwise direction ad see sec -- W=99.48376 rad, It COSC2x120°) 3 -494-850925 (-0.66666) Answer. 329.9006 m/sec 330 misec downware positive. ap=330 m/seer Rounded to nearest 1203] whole number.