Physics Quiz: Motion in One Dimension

What is the study of how things move called?

• Thermodynamics

• Kinematics

• Dynamics

• Electromagnetism

Which quantity is given in both magnitude and direction?

• Vector

• Scalar

• Speed

• Distance

What is the rate at which an object covers distance called?

• Displacement

• Acceleration

• Velocity

• Speed

What is the SI unit of average speed?

• Feet per second

• Miles per hour

• Kilometers per hour

• Meters per second

When the velocity of a particle changes with time, what is it called?

• Inertia

• Uniform motion

• Acceleration

• Deceleration

What is the constant acceleration due to gravity near the surface of the Earth?

• 9.81 m/s^2

• 5.0 m/s^2

• 10.0 m/s^2

• 7.5 m/s^2

What is the average velocity of a particle moving along the x-axis in Fig. P2.1 from 0 to 2 seconds?

• 3 m/s

• 5 m/s

• 4 m/s

• 2 m/s

What is the displacement, average velocity, and average speed of the car in Fig. 2 between positions A and F?

• Displacement: 127 m, Average Velocity: -7.2 m/s, Average Speed: 5.3 m/s

• Displacement: 100 m, Average Velocity: -5 m/s, Average Speed: 4 m/s

• Displacement: 150 m, Average Velocity: -6 m/s, Average Speed: 3 m/s

• Displacement: 200 m, Average Velocity: -8 m/s, Average Speed: 6 m/s

What is the average speed of a person who walks first at 5.00 m/s from point A to point B and then back at 3.00 m/s from B to A?

• 4.5 m/s

• 3.5 m/s

• 5.0 m/s

• 4.0 m/s

What is the instantaneous velocity of the particle at t = 2.5 s in the position-time graph shown in Fig. 2?

• 5 m/s

• 4 m/s

• 3 m/s

• 2 m/s