Summer A 2024 Final Exam Question Bank

How does this jump illustrate the 1st Law? As he jumps, gravity and friction are unbalanced forces acting against his motion and he will eventually stop!

How does pulling an empty box versus a full box illustrate the 2nd Law?

How does pushing against a wall illustrate the 3rd Law?

Identify each scenario as speed or velocity.

What is the difference between speed and velocity?

• Speed measures acceleration; velocity measures deceleration.

• Velocity measures speed in a certain direction; speed measures how far an object travels in a particular amount of time.

• Velocity measures how far an object travels in a particular amount of time; speed measures velocity in a certain direction.

• There is no difference between speed and velocity.

The space station travels 1000 meters in 5 seconds. What is its speed?

• 100 meters/second

• 200 meters/second

• 50 meters/second

• 500 meters/second

An object’s overall change in position is known as its __________________.

A ______________ quantity is one that can be described with a single numerical (magnitude) value. i.e. speed

A ______________ quantity is one that is described by both a numerical (magnitude) value and a direction. i.e. velocity

A car is traveling at a constant speed of 60 km/h but then changes lanes. Even traveling at a constant speed, the car’s velocity is changing. Explain.