A cart went 60m in a straight line on a plain and smooth road done by the force? a force of 3N was applied to it. How much work was done by the force?
Answers
Answered by
0
Answer:
The work done by the cart is 180 joule(J).
Explanation:
Solution,
Force applied on the cart (f) = 3N
Distance travelled by the cart (d) = 60m
Work done = ?
Using the formula of work done,
Work done = Force applied × Distance travelled
= 3N × 60m
= 180 N/m or J
Thus, work done by the cart is 180 joule (J).
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Answered by
2
Explanation:
Force =m
t
(v−u)
=m⋅a
Displacement =
2a
(v
2
−u
2
)
Word done (W) = Force × Displacement
=m⋅a⋅
2a
(v
2
−u
2
)
W =
2
1
m(v
2
−u
2
)
W =
2
1
×20×(2500−1600)
=
2
1
×20×900
=9000J
Therefore, the work done to attain the final velocity is 9000J
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