Seema tried to push a heavy rock of 100 kg for 200 s but could not move it. Find the work done by Seema at the end of 200 s.
Q.1. Seema tried to push a heavy rock of 100 kg for 200 s but could not move it. Find the work done by Seema at the end of 200 s.
Ans. Zero.
Q.2. Identify the energy possessed by rolling stone.
Ans. Kinetic energy.
Q.3. Identify the kind of energy possessed by a running athlete.
Ans. Kinetic energy.
Q.4. What much would be the amount of work done on an object by a force, if the displacement of the object is zero?
Ans. Zero.
Q.5. How much work is done by a weight lifter when he holds a weight of 80 kg on his shoulders for two minutes?
Ans. Zero, as displacement is zero and W = F x S.
Follow on Facebook page – Click Here
Google News join in – Click Here
Read More Asia News – Click Here
Read More Sports News – Click Here
Read More Crypto News – Click Here