Science Ch 2 Test Flashcards Preview

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Flashcards in Science Ch 2 Test Deck (15):
1

Another name for Newton's first law of

Motion

2

When 2 people are pushing with unequal forces in opposite directions they are considered

Unbalanced forces

3

In SI units, time is measured

Speed

4

SI unit for distance is

Meter

5

A ____________ point is needed to determine the position of an object

Reference

6

The law of inertia can explain what happens in a

Crash

7

How can change in velocity be calculated

A= Vf-Vi
t

8

Describe 3 ways to change velocity of moving cars

Speed up
Slow down
Change direction

9

Which of the following do you calculate when you divide the total distance traveled by the travel time

Average speed

10

Which term below best describes the forces on an object with a net force of zero

Balanced force

11

Which of the following is a proper unit of acceleration

M/S 2

12

Which of the following is not used in calculating acceleration

Average speed

13

In which of the following conditions does the car NOT accurate

A car moves at 80 km/h on a flat straight highway

14

What is the tendency for an object to resist any change in its motion called

Inertia

15

How can speed be defined

Distance/time