How much work must be done by a force on 50\ kg body in order to accelerate it from rest to 20\ m/s in 10\ s ?

Question

How much work must be done by a force on  50\  kg  body in order to accelerate it from rest to  20\ m/s   in  10\  s  ?

Accepted Answer

Acceleration that causes the given rise in speed in given time =  a=\dfrac{v}{t}=\dfrac{20\ m/s}{10\ s}=2\ m/s^2 Thus, force acting on the body =  F=ma=100\ N Distance travelled in the given time =  s=\dfrac{1}{2}at^2=100\ m Thus, work done in given time =  F.s=10^4\ J

Work Energy And Power

Physics
194 Views

How much work must be done by a force on $50$ $k g$ body in order to accelerate it from rest to $20 m / s$ in $10$ $s$ ?

Work Energy And Power

Physics 194 Views

How much work must be done by a force on 50 kg body in order to accelerate it from rest to 20 m/s in 10 s ?

Physics
194 Views

How much work must be done by a force on $50$ $k g$ body in order to accelerate it from rest to $20 m / s$ in $10$ $s$ ?