Two bodies of masses 3.0 kg and 2.0 kg are separated by a distance of 50 cm. Calculate the force of attraction between them. [G = 6.67 x 10\(^{-11}\) Nm\(^2\) kg\(^2\)]

The diagram above illustrates an object moving in a circular path at a constant speed. Which of the arrows indicates the direction of linear velocity?
Which of the following thermometers is used to measure the temperature of the human body?
In the diagram above, the time taken to trace a wave between P and Q is?
Which of the following materials does not serve as a safety device in electrical circuits?