Science Ch 2 Test

Question 1

Another name for Newton’s first law of

Answer 1

Motion

Question 2

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

Answer 2

Unbalanced forces

Question 3

In SI units, time is measured

Answer 3

Speed

Question 4

SI unit for distance is

Answer 4

Meter

Question 5

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

Answer 5

Reference

Question 6

The law of inertia can explain what happens in a

Answer 6

Crash

Question 7

How can change in velocity be calculated

Answer 7

A= Vf-Vi

t

Question 8

Describe 3 ways to change velocity of moving cars

Answer 8

Speed up
Slow down
Change direction

Question 9

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

Answer 9

Average speed

Question 10

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

Answer 10

Balanced force

Question 11

Which of the following is a proper unit of acceleration

Answer 11

M/S 2

Question 12

Which of the following is not used in calculating acceleration

Answer 12

Average speed

Question 13

In which of the following conditions does the car NOT accurate

Answer 13

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

Question 14

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

Answer 14

Inertia

Question 15

How can speed be defined

Answer 15

Distance/time