Science > Physics > Circular Motion > Numerical Problems on Banking of Road Example – 01: To what angle must a racing track of radius of curvature 600 m be banked so as to be suitable for a maximum speed of 180 km/h? Given: maximum speed v = 180 km/hr = 180 x 5/18 = 50 m/s, Radius […]
Science > Physics > Circular Motion > Banking of Road In this article, we shall study the necessity of the banking of road and the factors affecting it. Safe Velocity of a Vehicle on an Unbanked Road: The necessary centripetal force required to negotiate a turn by a vehicle moving along a horizontal unbanked curved road […]
Science > Physics > Circular Motion > Numerical Problems on Centripetal Force – 02 Example – 19: The vertical section of a road over a bridge in the direction of its length is in the form of an arc of a circle of radius 19.5 m. Find the greatest velocity at which a car can […]
Science > Physics > Circular Motion > Numerical Problems on Centripetal Force – 01 Example – 01: A 0.5 kg mass is rotated in a horizontal circle of radius 20 cm. Calculate the centripetal force acting on it, if its angular speed of revolution is 0.8 rad /s. Given: Mass of a body = m = […]
Science > Physics > Circular Motion > Centripetal and Centrifugal Force In this article, we shall study the concept of centripetal force and centrifugal force, their expressions, and examples. Centripetal Force: A force which acts on a body performing circular motion and acts along the radius of the circular path and directed towards the centre of […]
Science > Physics > Circular Motion > Centripetal Acceleration In this article, we shall study the concept of centripetal acceleration and expression for it. Centripetal acceleration is also called radial acceleration. Accelerated Motion: Velocity is a vector quantity which has magnitude as well as direction. Either magnitude or direction or both change the motion is […]
Science > Physics > Current Electricity > Numerical Problems on Internal Resistance of Cell Example 01: A steady P.D. is maintained between the ends of the potentiometer wire. A cell of e.m.f. 1.02 V is on an open circuit when its terminals are in contact with two points on the wire distant 150 cm. When […]
Science > Physics > Current Electricity > Numerical Problems on Potential Drop In this article, we shall study to solve numerical problems on the calculation of potential drop (potential gradient) on potentiometer wire. Example 01: A potentiometer wire is 10 m long and a P.D. of 6 V is maintained between its ends. Find the […]
Science > Physics > Current Electricity > Potentiometer In this article, we shall study the principle, construction, and working of a potentiometer and its uses. Principle of Potentiometer: When a steady current flows through a wire of uniform cross-section the potential difference per unit length of the wire is constant throughout the length of the […]
Science > Physics > Current Electricity > Numerical Problems on Wheatstone’s Metre Bridge 02 Example – 15: In Wheatstone’s metre bridge experiment with unknown resistance X in the left gap and 60 Ω resistance in a right gap null point is obtained at l cm from the left end. If the unknown resistance is shunted by equal resistance, […]