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Understanding Impulse and Force-Time Graphs

Understanding Impulse and Force-Time Graphs

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of impulse?

Kilograms

Meters per second

Newton seconds

Joules

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the direction of motion affect the sign of impulse?

Impulse sign depends on the chosen positive direction

Impulse is always negative

Impulse sign is independent of direction

Impulse is always positive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation represents impulse?

Impulse = force / time

Impulse = mass × velocity

Impulse = force × time

Impulse = velocity / time

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a force of -5 Newtons is applied for 2 seconds, what is the impulse?

-10 Newton seconds

10 Newton seconds

-5 Newton seconds

5 Newton seconds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did Newton originally express his second law of motion?

Force = change in momentum over time

Force = mass × acceleration

Force = mass / time

Force = velocity × time

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final velocity of a 1000 kg car if a 5000 N force is applied for 3 seconds, starting at 30 m/s?

25 m/s

35 m/s

40 m/s

30 m/s

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the area under a force-time graph represent?

Velocity

Impulse

Acceleration

Force

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