Raghav applies a force of 6kgf to draw 4.8kg bucket of water from a well using a single fixed pulley. Assuming that all of the extra force a applied is to overcome frictional forces, calculate the force of friction, mechanical advantage and efficiency.
a metallic wire has a resistance of 1 ohm per meter
why speed of light increases with increase with temperature?
what is disadvantage of water having high specific heat capacity?
Copyright © 2021 Aakash EduTech Pvt. Ltd. All rights reserved.