A block moves up a 30° incline under the action of applied forces, three of which are shown in Fig. 1. F, is horizontal and of magnitude 40 N. F, is normal to the plane and of magnitude 20 N. F, is parallel to the plane and of magnitude 30 N. Determine the work done by cach force as the block (and point of application of each force) moves 80 cm up the incline. 30 F, cos 30° 30 Fig. 1

A block moves up a 30° incline under the action of applied forces, three of which are shown in Fig. 1. F, is horizontal and of magnitude 40 N. F, is normal to the plane and of magnitude 20 N. F, is parallel to the plane and of magnitude 30 N. Determine the work done by cach force as the block (and point of application of each force) moves 80 cm up the incline. 30 F, cos 30° 30 Fig. 1

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

A block moves up a 30° incline under the action of applied forces, three of which are shown
in Fig. 1. F, is horizontal and of magnitude 40 N. F, is normal to the plane and of magnitude
20 N. F, is parallel to the plane and of magnitude 30 N. Determine the work done by each
force as the block (and point of application of each force) moves 80 cm up the incline.
Q1
30
F, cos 30°
30
Fig. 1

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