Force and Motion Review

Acceleration occurs when an object changes its speed or ______.

• direction
• force
• inertia
• mass

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

Which runner won the race?

• Albert
• Bob
• Charlie

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

• 50 miles
• 25 miles
• 100 miles
• 75 miles

What is happening at E?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Steady speed; returning to start position

 Every morning, Tom walks along a straight road from his home to the bus stop. Below, is a graph representing Tom’s trip to school.
- What is the distance covered through the second segment, which is between 50 seconds, and 70 seconds?

• 40 meters
• 60 meters
• 80 meters
• 20 meters

Which law of motion is also known as the Law of Inertia?

• First Law

• Second Law

• Third Law

Newton's First Law says that an object that is not moving will _____.

• stay at rest

• keep moving with a constant velocity

• resist any physical change

• has mass

What is inertia?

• The resistance of any physical object to any change in its state of motion

• The amount of mass an object has

• A reaction in an object

• No one knows

Which law of motion is also known as the Law of Acceleration?

• First Law

• Second Law

• Third Law