Quiz about Open Sci Ed U8.1L6 Review

Question 1

Which represents a free body diagram to show how the amount of peak force on the head of person A at the following collision?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Answer

E.

Question 2

Which represents a free body diagram to show how the amount of peak force on the head of person B at the following collision?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 3

Is this free body diagrams accurate representations of the collision? Why or why not?

Accepted Answer

No, because the arrows are not equal

Answer

No, because the arrows are equal

Answer

No, because the arrows are not opposite

Answer

Yes, because the arrows are equal and opposite

Answer

Yes, because the arrows are not equal

Question 4

Is this free body diagrams accurate representations of the collision? Why or why not?

Accepted Answer

No, because the arrows are not opposite

Answer

No, because the arrows are equal

Answer

No, because the arrows are not equal

Answer

Yes, because the arrows are equal and opposite

Answer

Yes, because the arrows are not equal

Question 5

Which represents a free body diagram to show how the amount of peak force on the head of person A at the following collision?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 6

Which represents a free body diagram to show the amount of peak force on the basketball ball?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Answer

E.

Question 7

Is this free body diagrams accurate representations of the collision? Why or why not?

Accepted Answer

Yes, because the arrows are equal and opposite

Answer

No, because the arrows are equal

Answer

No, because the arrows are not opposite

Answer

No, because the arrows are not equal

Answer

Yes, because the arrows are not equal

Question 8

Is this free body diagrams accurate representations of the collision? Why or why not?

Accepted Answer

No, because the arrows are not equal

Answer

No, because the arrows are equal

Answer

No, because the arrows are not opposite

Answer

Yes, because the arrows are equal and opposite

Answer

Yes, because the arrows are not equal

Question 9

Which represents a free body diagram to show how the amount of peak force on the head of person A at the following collision?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Answer

E.

Question 10

Which represents a free body diagram to show how the amount of peak force on the floor at the following collision?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Answer

E.

Question 11

If the players in all the situations have the same mass and any object moving is moving at 8 m/s, which scenario has the most amount of kinetic energy & why? (Assume the weight of the earth/ ground is negligible due to everything being in reference to the earth).

Accepted Answer

A, because both people have a greater mass than the ball and are moving at a greater speed than the earth.

Answer

B, because both people have a greater mass than the ball and are moving at a greater speed than the earth.

Answer

C, because both people have a greater mass than the ball and are moving at a greater speed than the earth.

Answer

A, because both people have a lesser mass than the ball/ earth and are moving at a greater speed than the ball/earth.

Answer

B, because both people have a lesser mass than the ball/ earth and are moving at a greater speed than the ball/earth.

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