How might the critical angle phenomenon be used to allow light travel in a curved path in an optical fiber that is not straight? Explain.

Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.