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Motion and forces

Authored by William F Kahan

Physics

9th Grade

Used 54+ times

Motion and forces
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

What is your average speed if you take 0.5 h to jog 4,000 m?

8000 m/h
2000 m/h
0.000125 m/h
800 m/h

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Changing the speed and changing the direction of your bicycle are both examples of acceleration.

TRUE
FALSE

3.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

What two things must you know to determine speed?

distance and direction

direction and time

speed and direction

time and distance

4.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Which of the following is a measurement of velocity?

16 m east
25 m/s2
55 m/h south
60 km/h

5.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Media Image

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

12 N Right;  No
4 N Left;  No
12 N Right;  Yes
4 N Left;  Yes

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Media Image

A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s/s and s pulled by a 47 N force. What is the mass of the crate?

587.5 kg

642.8 kg

58.75 kg

98.81 kg

7.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Media Image

A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

750 seconds
35 seconds
0.3 seconds
3.3 seconds

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