Mechanics

Which of the following refers to the actual path traveled by an object?

• Distance

• Displacement

• Speed

• Velocity

Which of the following is a vector quantity?

• Speed

• Distance

• Velocity

• Work

Which of the following is a scalar quantity?

• Acceleration

• Energy

• Force

• Displacement

Which of the following indicates the slope of a position vs. time graph?

• Scalar

• Acceleration

• Distance

• Velocity

Which of the following indicates the area under a velocity vs. time graph?

• Displacement

• Acceleration

• Force

• Energy

Which of the following refers to the change in velocity over time?

• Power

• Speed

• Acceleration

• Force

An athlete ran 100 m in 10 s. What is his average speed?

• 10 m/s

• 90 m/s

• 110 m/s

• 1000 m/s

A person walks 10 km North and turns back, 5 km South. What is his total distance traveled?

• 5 km

• 5 km North

• 10 km South

• 15 km

A person walks 10 km North and turns back, 5 km South. What is his displacement?

• 5 km North

• 10 km North

• 15 km South

• 5 km South

Based on the position vs. time graph shown, what can be implied about its velocity?

• The velocity is constant.

• The velocity is increasing.

• The velocity is decreasing.

• The velocity is changing.