ESOL Unit 6 Test: Forces & Motion

1. A car is traveling at a constant velocity of 60 km/h east for 4 hours. What is the acceleration of the car?

• The acceleration of this car is zero (0).
• The acceleration of this car is positive (+).
• The acceleration of this car is negative (-).

2. Suppose a rollerblade racer finished a 132 meter race in 18 seconds. What is the average speed of the rollerblade racer?

• 0.136 m/s
• 2.376 m/s
• 7.33 m/s

3. Mary traveled 70 miles/hour due north. This is an example of

• acceleration
• velocity
• speed

4. Which car is accelerating?

• a car that is NOT MOVING
• a car that TURNS AROUND A CURVE at a constant speed
• a car that travels in STRAIGHT LINE at a constant speed

5. A 98 kilogram man is accelerating forward at a rate of 1.2 m/s2. What is the unbalanced force necessary to produce the movement?

• 81.67 N
• 96.8 N
• 117.6 N

6. When a person rows a boat, the oars go backwards and the boat goes forward. This is an example of

• Newton’s Third Law of Motion
• Newton's First Law of Motion.
• Newton's Second Law of Motion.

7. Martina travels from her house to her mom's office building. From there, she walks to school. After school, she walks to the library and then to a friend's house before finally ending back at home. Find Martina's total distance traveled.

• 0 miles
• 1 mile
• 3.15 miles

8. What is the acceleration of an object with mass of 42.6 kg when an unbalanced force of 112 N is applied to it?

• 0.3800 m/s2
• 2.63 m/s2
• 69.4 m/s2

9. If Shane and Susan both push on a box with a force of 25N, but in opposite directions, what will happen to the box?

• The box will NOT move.
• The box will SLIDE TOWARD Shane.
• The box will SLIDE TOWARD Susan.

10. Cara and Sam had to illustrate one of Newton's laws. They drew this model to represent the __________ law of motion which can also be represented by the equation F = ma.

• first (1st)
• second (2nd)
• third (3rd)