Physics Pre-Assessment

Which statement below correctly describes the forces?

• The net force is acting to the left.

• The net force is moving to the right.

• The net force is in an upward direction.

• The net force is zero and all the forces are balanced.

• I do not know.

How much faster did car 1 travel than car 4?

• 0.33 m/sec

• 0.06 m/sec

• 5.67 m/sec

• 6.33 m/sec

• I do not know.

What is the average speed of car 1 (using Question 2's graph)?

• .33m/sec

• 6 m/sec

• .17 m/sec

• 1 m/sec

• I do not know.

Joanna's family drove 360 km on a trip. This graph represents their motion. What was the average speed the family traveled between 5-8 hours of the trip?

• 45 km/hr

• 60 km/hr

• 120 km/hr

• 36 km/hr

• I do not know.

In this graph, during which intervals did Joanna's car stop moving?

• Between hours 1-2

• Between hours 5-8

• Between hours 4-5

• Between hours 0-1

• I do not know

What is the average speed Joanna's family traveled?

• 45 km/hr

• 60 km/hr

• 120 km/hr

• 180 km/hr

• I do not know

Gordon throws a baseball into the air. It rises, stops when it reaches its greatest height, and then falls back to the ground. At what point does kinetic energy convert to potential energy

• When the baseball is rising

• When the baseball is falling

• While the baseball sits on the ground

• While the baseball is stopped in the air

• I do not know.

What was the car's average speed?

• 0.04 m/sec

• 28 m/sec

• 14 m/sec

• 30 m/sec

• I do not know

When the slingshot is held in position as in the diagram, what kind of energy is present?

• kinetic energy

• potential energy

• electrical energy

• electromagnetic energy

• I do not know

Which of these is an example of the conversion of kinetic energy into gravitational potential energy?

• a bicyclist coasting down a long hill

• a car engine moving the car forward

• a roller coaster car moving toward the top of a rises in the tracks

• a thrown ball falling toward the ground after passing through the top part of its motion

• I do not know