Lifting a block of _______, the work done is maximum.
2 kg
10 kg
Which requires more work( in Joule) a block of 20 kg need to lift 20m or a block of 40 kg need to lift 10m.
Which requires more work (in Joules) a block of 20 kg lifted to height of 20m or a block of 40 kg lifted to height of 10m?