Phy 101 Final

Name: Seffan Bune

PHY/101 Final Exam

Please note that this exam is to be completed individually, and you may not discuss or share your answers with anyone, including other students in the class. You may use the textbook or other resources for your answers.

Please highlight or bold the correct choice for each question. Each of the 25 questions is worth 4 points and has only one correct answer.

1) An object in mechanical equilibrium is an object

A) at rest.

B) moving with constant velocity.

C) having no acceleration.

D) all of these

2) A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the force required to keep the puck sliding at constant velocity is

A) zero.

B) equal to its weight.

C) equal to its weight divided by its mass.

D) equal to the product of its mass times its weight.

3) Your weight is

A) equal to your mass.

B) the gravitational attraction force between you and the Earth.

C) a property of mechanical equilibrium.

D) all of these

4) A person is attracted toward the center of Earth by a 500-N gravitational force. The Earth is attracted toward the person with a force of

A) zero.

B) 250 N.

C) 500 N.

D) 1000 N.

5) A large heavy truck and a small baby carriage roll down a hill. Neglecting friction, at the bottom of the hill, the baby carriage will have a greater

A) speed.

B) acceleration.

C) momentum.

D) all of these

E) none of these

6) After rolling halfway down an incline, a marble's kinetic energy is

A) less than its potential energy.

B) greater than its potential energy.

C) the same as its potential energy.

D) impossible to determine.

7) A torque acting on an object tends to produce

A) equilibrium.

B) rotation.

C) linear motion.

D) velocity.

E) a center of gravity.

8) Consider two planets in space that gravitationally attract each other. If the masses of both planets are doubled, and the distance between them is also doubled, then the...