what is reference point

The Circle of Reference - The above figure shows a body moving with uniform speed along a circle. Let perpendiculars be drawn from different positions of the body onto any diameter, say the vertical diame..

The maximum displacement of the particle executing SHM from the equilibrium position is known as the amplitude. It will be equal to the radius of the circle of reference. Therefore, the total range of motion is 2..

Refer the figure to answer the questions. (i). Are points K, E and F collinear? (ii). Are points A, L, D and B coplanar? => (i) yes (ii) no or (i) no (ii) no or (i) yes (ii) yes or (i) no (ii) yes..

What is a Modem? - A modem (a modulator/demodulator) lets you connect your computer to a standard telephone line so that you can transmit and receive electronically transmitted data. It is the key that unlocks the world of the Internet and its World Wide Web, commercial online services, e..

Complete the sentences below using might have, must have, should have, could have or ought to have. Do not use one modal more than once. 1. The watchman has not come to the apartment today. He ________ gone to his village for his son's birthday. 2. The present generation ________ more respect fo..

Refer to the figure and find the radius of the circle. => 6 cm or 9 cm or 8 cm or 3 cm..

The flower arise in the axil of a branch (a reduced leaf) and the inflorescence axis or if solitary, in the axil of a leaf and the stem. The following terms are used to refer the two halves of the flower in relation to the axis and the bract. The axis side half of the flowers is called a..

Coordinates - The coordinates of a point are quantities, which determine the position of the point. If for instance, a point P lies somewhere on a straight line XX', then its position may be defined by a single number in the following way: Choose some reference..

Compensation Point - At a given low concentration of CO 2 and non-limiting light intensity, the photosynthetic rate of a given plant will be equal to the total amount of respiration. The atmospheric concentration of CO 2 at which photosynthesis just compensates for respiration is ref..

Refer to the figure shown. Choose the correct statement. => DE = 1 2 × EF or DE = DE + EF or DE = 2 × EF or DE = EF..