THE RESULTANT OF TWO FORCES IS 50N. IF THE FORCES ARE PERPENDICULAR TO EACH OTHER AND ONE OF THEM MAKES AN ANGLE OF 30° WITH THE RESULTANT, FIND ITS MAGNITUDE
A. 100.0N B. 57.7N C. 43.3N ✓ D. 25.0N The answer to the question is: C. 43.3N To solve this problem, we can use vector addition and trigonometric functions. Let’s denote the magnitude of the first force as F1 and the magnitude…
THE MAKKAN FORCES WERE NOT SUCCESSFUL AT THE BATTLE OF KHANDAQ BECAUSE THEY
A. ran out of supplies B. were not familiar with the strategy of the Muslims C. were not properly coordinated ✓ D. were afraid of another defeat The answer to the question is: C. were not properly coordinated The Makkan forces were not successful…
THE RESULTANT OF TWO FORCES ACTING ON AN OBJECT IS MAXIMUM IF THE ANGLE BETWEEN THEM IS
A. 45° B. 0° ✓ C. 90° D. 180° The answer to the question is: B. 0° The resultant of two forces acting on an object is maximum when the angle between them is 0°. This can be explained using the concept…
TWO FORCES FORMING A COUPLE ARE SEPARATED BY A DISTANCE OF 25CM. IF ONE OF THE FORCES EQUALS 40N, WHAT IS THE MOMENT OF THE COUPLE
A. 1000 Nm B. 500 Nm C. 10 Nm ✓ D. 5 Nm E. 1.6 Nm The answer to the question is: C. 10 Nm The moment of a couple is the product of one of the forces and the perpendicular distance between the forces.…
WHEN A LEVER IS IN EQUILIBRIUM, UNDER THE ACTION OF TWO OR MORE FORCES, THE ALGEBRAIC SUM OF THE MOMENTS OF THE FORCES ABOUT THE POINT OF SUPPORT IS
A. anti-clockwise B. clockwise C. equal to the product to the forces D. numerically equal to the total forces acting E. equal to zero ✓ The answer to the question is: E. equal to zero When a lever is in equilibrium under the action of…