Work, Energy, and Power Quiz

Energy is the capacity to do work, and the term 'energy' in physics is related to work.

The word 'work' in physics covers a definite and precise meaning.

Energy is our capacity to do work in physics.

<p>The word 'power' in physics has a specific meaning related to energy and work.</p> Signup and view all the answers

<p>The word 'power' is used in everyday life with different shades of meaning.</p> Signup and view all the answers

<p>The capacity to work for long hours, or stamina, is often admired in individuals.</p> Signup and view all the answers

<p>A.B = A<em>B</em>cos(θ)</p> Signup and view all the answers

<p>A.B is the product of the magnitude of A and the component of B along A, or the product of the magnitude of B and the component of A along B.</p> Signup and view all the answers

<p>A.B = B.A (Commutative property) and A.(B + C) = A.B + A.C (Distributive property)</p> Signup and view all the answers

<p>A.A = A_x^2 + A_y^2 + A_z^2</p> Signup and view all the answers

<p>A.B = A_xB_x + A_yB_y + A_zB_z</p> Signup and view all the answers

<p>The angle between F and d is θ = cos^(-1)(16 / (|F| * |d|))</p> Signup and view all the answers

<p>The projection of F onto d is F.d / |d|</p> Signup and view all the answers