Calculate force acting on a 20 kg of mass changes its velocity from 5m/s to 2m/s. Calculate the work done by the force.
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Answered by
0
force acting on a body = mass * change in velocity
= 20 *(2-5)
20*(-3)
-60 N
= 20 *(2-5)
20*(-3)
-60 N
Answered by
2
m=20kg
a=-3m/s^2
f=ma
f=20(-3)
f=-60N
work done =force *displacement
=-60*(3.5)
=-210 joules
a=-3m/s^2
f=ma
f=20(-3)
f=-60N
work done =force *displacement
=-60*(3.5)
=-210 joules
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