When the force is applied on an object but the object does not move, it means that
A bus travels with a constant force of 5000 N and the work done by the bus is 2500 J, the distance travelled by the bus is
A ship moves at a speed of 4 ms-1. Water-resistance acting on it is 4000 N. The power of its engine is
When force is applied to object but object does not move, it means that
A car travels a distance of 15 km with a constant force of 500 N, its work done is
A woman walks a distance of 5 m with a constant force of 10 N. work done by woman is
A boy walks up staircase of 20 m with a force of 600 N, time taken by boy is 8 minutes. power consumed by boy is
A fan keeps working for 30 minutes and uses energy of 90000 J, power consumed by bulb is
A ship moves at a speed of 4 ms-1. Water resistance acting on it is 4000 N. power of its engine is
If 2 resistors of 5kO and 7kO are connected in series across a 15V battery, then current flowing through each of resistance should be
Power of pump when it can lift 70 kg of water through 16 m in 10 s is
If a pump can lift 200 kg of water through a height of 6 m in 10 seconds, then its power is
A force applied on an object can change its
All of the following accurately describe Hadoop, EXCEPT