Apiano is being pushed up a frictionless ram that makes a 25 degree angle with the floor. if the piano weighs 510 pounds and the force pushing the piano up the ramp is 240 pounds what is the acceleration of the piano?

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initial speed when it is dropped is 150 ft/s

now at the same moment the acceleration due to gravity is perpendicular to its velocity

so as we know that

now we have centripetal acceleration a = 32 ft/s^2 as its perpendicular to velocity

while tangential acceleration at the same moment will be zero

so

now radius of curvature is given as

so the radius of curvature just after it is dropped is 703.125 ft

490 n

f=125n a=2.5m/s2