- 1 Polygon Of Forees The Objective Of This Lab Experiment Is Best Describes As A To Verify Experimentally The Polygon 1 (52.09 KiB) Viewed 29 times
- 1 Polygon Of Forees The Objective Of This Lab Experiment Is Best Describes As A To Verify Experimentally The Polygon 2 (55.26 KiB) Viewed 29 times
1. Polygon of forees: The objective of this lab experiment is best describes as a) To verify experimentally the polygon of forces b) To determine the axial and vertical components of a loud c) To prove the gravitational force d) None of the above 2. Polygon of forces: Why do we add the weights to the pans slowly with precaution? a) For safety purposes b) To take time observing what happens to the weight e) To make sure that the equilibrium of forces is distributed slightly d) None of the above 3. Reaction forces of beam: The spring balance has a reading precision of... a) mm b) N c) m d) KN 4. Instrument calibration means that.......... ) setting your measuring instrument's initial value to zero value b) using a caliper to determine the initial value c) comparing your instrument measurement to a well known reference value d) None of the above 5. In 'Truss: Ir the calculated foree value for a truss member is calculated as negative, then the member is under.... a) A tensile force b) A neutral force c) A compressive force d) A stable force 6. Forces are called concurrent when their lines of actions moet in: a) One point b) Two points c) Parallel d) Perpendicular
7. The weight of a body is due to a) centripetal force of earth b) forces experienced by body in atmosphere c) force of attraction experienced by particles d) gravitational force of attraction towards the center of the earth. 8. A force is completely defined when we specify a) magnitude b) direction c) point of application d) all of the above 9. A is a structure composed of slender members joined toget endpoints. a) Truss b) Distributed load c) Joint d) Cable 10. To calculate the moment of a force, we use the following equation: a) Force x perpendicular distance (F x d.) b) Force x parallel distance (Fx dil) c) Force x any distance (Fxd) d) Force x rotation (Fx c)