Physics Final Exam

Significant figures are the digits in a number that carry meaning regarding the precision of the measurement.

1. All non-zero digits are significant. 2. Zeros between non-zero digits are significant. 3. Leading zeros are not significant. 4. Trailing zeros in a number with a decimal point are significant.

Equilibrium is a state in which the net force and net torque acting on an object are both zero.

<ol> <li>The vector sum of all forces acting on the object is zero (ΣF = 0). 2. The sum of all torques acting on the object is zero (Στ = 0).</li> </ol> Signup and view all the answers

<p>Renewable sources of energy are those that can be replenished naturally, such as solar and wind energy. Non-renewable sources are finite and cannot be easily replaced, like fossil fuels.</p> Signup and view all the answers

<p>d. Heat transfer</p> Signup and view all the answers

<p>a. Kinetic energy</p> Signup and view all the answers

<p>d. Mechanics</p> Signup and view all the answers