Exam 12: Linear Kinetics of Human Movement

Which of the following is closest to a perfectly elastic impact?

Which of the following factors does not affect the amount of friction generated between two dry surfaces?

The product of a force and the time during which it acts defines what?

A 500 N gymnast performing a giant swing with an angular velocity of 5 rad/sec,exerts 90 Nm of torque on the support bar. How much torque is exerted by the bar on the gymnast's hands?

Choose the term that describes the quantity of linear motion.

Two common forces that act to reduce momentum are ________ and ________ ________.

Which of the following statements is true of the amount of horizontal force required to start an object sitting on a horizontal surface in motion?

Which of the following is a correct unit of mechanical energy?

How does wearing gloves increase the friction between the hands and the bat?

Choose the term that describes the force acting perpendicular to two surfaces in contact.

The capacity for doing work that a body possesses because of its height or position is called what?

What type of energy is strain energy?

How does adding weight to the back of a pickup increase the friction between the tires and the icy road?

Which of the following is true of the coefficient of restitution of a racquetball?