Two identical snakes 'A' and 'B' are moving on the ground. 'A' is moving by making broad loops while 'B' is moving by making narrow loops. Which one is moving faster?

A person pulls a bench from one place to another by exerting _____ on the object.

In which of the following situations will the distance-time graph of an object be a straight line? (A) The object is at rest. (B) The object is moving with a uniform speed. (C) The object is moving with a non-uniform speed. (D) The object is moving with a uniform non-zero acceleration.