For Combined Science (Physics), drawing of vector diagram is a must.In general, two known forces are given and the resultant force of...

Fuse is a safety feature. In the event of an electrical fault, where there is a short circuit current which exceeds the fuse rating, the...

On earth, the gravitational field strength is 10 N/kg and the acceleration due to gravity is 10 ms-2 . That means when you release an...

Vector diagram is commonly referred to parallelogram diagram . Vector diagrams are generally divded into 3 categories: 1) 2 forces...

When an object is oscillating or vibrating in a wave motion , the speed of the object varies along the path. In this video, there are...

At sea-level, the barometer which Pie is holding reads 760 mm of Hg. When he is at the top of Mount Pie, the same barometer reads 230 mm...

Note: Non-uniform plank means the CG of the plank is not at its centre a) Find the weight of the boy. b) How far is the centre of gravity...

Pitch of the sound depends on the frequency [Higher frequency -> Higher pitch] Loudness of the sound depends on the amplitude [Higher...

Sensitivity of the ammeter means that how small a current the ammeter can measure. Example, if the original set up is 0.2 A per division,...

Reflection of light using a mirror Refraction of light using various shaped optical mediums Total Internal Reflection (TIR) using a...

Pressure of a fixed mass of gas, P, is inversely proportional to the volume of the gas, V, when the temperature is held constant. P...

Transverse waves  are waves in which the  direction of the wave  is  perpendicular  to the direction of the vibration . e.g Light, water,...

Using the formula n = 1/sin c, the higher the n , the smaller the c . With smaller c , total internal reflection can occur over a wider...

Given that the mass of the drum is 20 kg. What is the minimum force, F, required to just movee th drum off the ground? (Assume uniform...