Work, Power _ Energy – Solution of Problem 8.01
How much work is done to displace horizontally a body 40 m by a force of 200 N, those angle with the horizontal is 30 degree?
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Circular Motion and Gravitation – Solution of Problem 7.08
The distance from the earth to sun is 1.49X10E24 m. The mass of earth is 6 X 10E 30 kg Compute the Gravitational force between the sun and earth.
Circular Motion and Gravitation – Solution of Problem 7.06
Problem No. 7.06
Compute the force of gravitation between the small and the large spheres of Cavendish balance if m = 1gm and M = 300 gm and r = 5 cm?
Circular Motion and Gravitation – Solution of Problem 7.05
Problem No.7.05
Compute the gravitational force of attraction between two boys of masses 50 Kg and 40 Kg respectively apart from each other by 1 m?
Circular Motion and Gravitation – Solution of Problem 7.04
Problem No.7.04
A string 2 m long is used to whirl a 200 gm stone in horizontal circle at a speed of 2 m/s. Find the tension in string?
Circular Motion and Gravitation – Solution of Problem 7.03
Problem No.7.03
A proton of mass 1.67 X 10-27 Kg is moving in a circle of radius 100 cm. An Electro-Magnet applies a force of 1 X 10-12 N directed towards the center of the...
Circular Motion and Gravitation – Solution of Problem 7.02
Problem No.7.02
A car goes round a curve at 20 m/s. The radius of curvature is 50 m. calculate the centripetal acceleration of the car?
Motion and Force - Solution of Problem 4.08
Problem No.4.08
A rectangular metal block of mass 4 Kg rests on the top of a metal surface. The coefficient of friction between the box and the metal surface is 0.2. What force...
Motion and Force - Solution of Problem 4.06
Problem No.4.06
Anempty truck weights 4000 N. Its engine can produce a maximum acceleration of 1 m/s2. If a truck is loaded with 2000 N, find the maximum acceleration the engine...
Motion and Force - Solution of Problem 4.05
Problem No.4.05
A gun of mass 20 Kg fires a bullet of mass 50 g with a velocity of 200m/s. Calculate the velocity of the recoil of the gun?