the fig above shows three different ways of hanging a heavy picture from a hook. the tension in the string will be?
A force F is applied to a body P as shown in the diagram above. If the body moves through a distance, a, which of the following represents the work done?
A solid weighs 10.00N in air, 6N when forcefully immersed in water, and 7.0N when fully immersed in a liquid, X. Calculate the relative density of the liquid X.
Suppose three identical steel balls Q, R, and S, are placed on an undulating ground as illustrated in the diagram above. Which of the balls is/are in neutral equilibrium?
The basic principle of operation of a beam balance is------------------
