Question 1
An elastic climbing rope is tested by fixing one end of the rope to the top of a crane. The other end of the rope is connected to a block which is initially at position A. The block is released from rest. The mass of the rope is negligible.
The unextended length of the rope is 60.0 m . From position A to position B, the block falls freely.
Question (a)
(a)
For the rope and block, describe the energy changes that take place
[ 2 ]
Question (i)
(i)
between A and B .
[ 1 ]
Question (ii)
(ii)
between B and C .
[ 1 ]