Answer:
(a)
J
b)
J
Step-by-step explanation:
(a)
= mass of the pumpkin = 3.2 kg
= height to which pumpkin is lifted = 1.2 m
= Work done in lifting the pumpkin
Work done in lifting the pumpkin is given as


J
(b)
= Force applied on the pumpkin in vertical direction
= displacement in horizontal direction = 50 m
= Angle between applied force and displacement = 90
Work done in carrying the pumpkin is given as



J