Test - Unit 6 Force

Question 1

3. If the same force is applied to each of the balls pictured below, which one will have the least acceleration?

Answer 1

bowling ball - m = 7.3 kg

Unit 6 Concept 3 pg. 22

Question 2

10. A baseball player swings his bat and misses the ball but hits a fly that was hovering over home plate. The acceleration of the fly compared to what the acceleration of the ball would have been with the same force applied to it would be…

Answer 2

larger

Unit 6 Concept 3 pg. 22

Question 3

23. A student drops a feather and a rock at the same time from Mrs. Taylor’s window. If air resistance wasn’t a factor, what would she observe?

Answer 3

the rock and the feather fall at the same rate

Unit 6 Concept 3 pg. 22

Question 4

25. An object will move at a constant velocity unless an unbalanced force acts upon it.

Answer 4

E. Newton’s 1st Law

Unit 6 Concept 3 pg. 20

Question 5

31. A net force acting on an object causes the object to accelerate in the direction of the net force.

Answer 5

F. Newton’s 2nd Law

Unit 6 Concept 3 pg. 22

Question 6

33. Why does someone not wearing a seatbelt in a car fly forward when the car suddenly stops? Make sure to include which law explains this.

Answer 6

This is because, due to inertia, objects in motion want to resist change in motion. Newton’s 1st Law
Unit 6 Concept 3 pg. 20

Question 7

38b. What speed will the skydiver eventually reach? What is this speed called?

Answer 7

55 m/s

Unit 6 Concept 3 pg. 22