• De La Salle University

• ENGCHEM 101

DIRECTIONS: Select the best answer and write the letter corresponding to your choice on the left side of

the number. If in case the correct answer is not given in the choices, write letter e, meaning none of the

given choices is correct.

1. In a rigid object undergoing uniform circular motion, a particle that is a distance R from the axis

of rotation

a. Has an angular speed proportional to R

b. Has an angular speed inversely proportional to R

c. Has a linear speed proportional to R

d. Has a linear speed sped inversely proportional to R

2. The centripetal acceleration of a particle in circular motion

a. Is less than its tangential acceleration

b. is equal to its tangential acceleration

c. is more than its tangential acceleration

d. May be more or less than its tangential acceleration

3. The rotational analog of force in linear motion is

a. Moment of inertia

b. Angular momentum

c. Torque

d. Weight

4. A quantity not directly involved in the rotational motion of an object is

a. Mass

b. Moment of inertia

c. Torque

d. Angular speed

5. All rotating objects at sea level that have the same mass and angular velocity also have the

same

a. Angular momentum

b. Moment of inertia

c. Kinetic energy

d. Gravitational potential energy