jasonoliva13
30.06.2019 •
Physics
A55 newton force applied on an object moves the object 10 meters in the same direction as the force. what is the value of work done on the object? a. 0 joules b. 5.5 joules c. -5.5 joules d. 5.5 × 102 joules e. -5.5 × 102 joules reset next
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Ответ:
Option D: 5.5×10²Joules
Explanation:
Work done is the product of applied force and displacement of the object in the direction of force.
W = F.s = F s cosθ
It is given that the force applied is, F = 55 N
The displacement in the direction of force, s = 10 m
The angle between force and displacement, θ = 0°
Thus, work done on the object:
W = 55 N × 10 m × cos 0° = 550 J = 5.5 × 10² J
Hence, the correct option is D.
Ответ: