In which of the following activities is work done
(A) A boy shaking a tree
(B) Ali pushing against the wall
(C) A man pushing a stalled car
(D) A worker pushing a loaded car.
In options C and D, it is not indicated whether the car has moved or not. How do I then understand as to whether work has been done or not?
Which of the following correctly shows the water level when a beaker of water is tilted ?
The graph below shows the number of visitors to the Fish Farm in various months. Study the graph carefully and answer the questions.
There were _____ more visitors in February than in January.
Answer should be B. Kindly correct it.