12.19 Review and Extra Points

The graph respresents

• no motion
• constant velocity
• increasing velocity
• decreasing velocity

Which runner got a head start?

• red line runner
• blue line runner

A cart travels with a constant nonzero acceleration along a straight line. Which graph best represents the relationship between the distance the cart travels and the time of travel?

• 
• 
• 
• 

The graph above represents the motion of a car during a 6 - second interval. What is the acceleration of the car at t = 5.0 s?

• 0.0 m/s

• 2.0 m/s

• 2.5 m/s

• 10 m/s

Which pair of graphs represent the same motion of an object?

• 
• 
• 
• 

What is the name of Newton's 1st Law of Motion?

• Law of Force and Acceleration

• Law of Action / Reaction

• Law of Inertia

Which activity would BEST demonstrate Newton's law of Inertia?

• A plate sits on a table top.

• A lady pushes a grocery cart.

• A child jumps on a trampoline.

• A boy swings a baseball bat.

• 200N

• 300N

• 500N

• 800N

The measure of the gravitation force exerted by Earth on an object is the object's_________.

• weight

• mass

• gravity

How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?

• 36 N
• 12 N
• 3 N
• 0.33 N