For each question below select the single best answer. Questions worth 2 points require no particular calculations, just a conceptual understanding. Questions worth 5 points require some amount of calculation to attain an answer. Use your scratch paper and calculator. Put your name, date, and exam number at the top of your scratch paper Work out your calculations using your scratch paper and calculator Please make note of the question number next to your scratch work and circle your answer.   After completing your exam, you can take a picture or scan your scratch work and submit. Your scratch work will be graded for completeness and correctness, and I will award up to 10 bonus points on your exam grade. Use the EQUATION SHEET below as a reference:    

A block of mass 15 kg accelerates from rest to a speed of 10 m/s in 5.0 s. What is the magnitude of the net force acting on the block?

A pendulum is swinging back and forth and has a kinetic energy of 400 J at a particular point in its path. Which of the following statements is not true?

A cyclist races around a circular track at the constant speed of 20 m/s. The radius of the track is 40 m. The centripetal acceleration of the cyclist is

A crate is pulled a distance of 15 meters by a horizontal rope with a force of 240 N while a sliding friction force of 60 N opposes that motion. What is the total work done on the crate over this distance?

When an object is moving in a circle at constant speed, its acceleration is

When objects are moved further apart from each other, the force of gravity

For reasons known only to them, a group of extraterrestrials offers you your choice of three gold ingots.  One weighs 10 N on Earth, the second weighs 10 N on Jupiter, and the third weighs 10 N on the Moon.  To get the most gold, you should choose the ingot that weighs 10 N on

What term describes the number of eggs that are fertilized?  

A postpartum gynecologic sonogram may be needed for which of the following assessments?