Review Sheet

Question 1

Equation for average speed

Answer 1

Total distance divided by time

Question 2

A golf cart travels at a constant speed of 0.10 km/min. It’s is driven for two hours. What is the distance traveled?

Answer 2

12 km

Question 3

What is the law of conservation of mass?

Answer 3

The momentum of two objects before a collision is the same afterwards.

Question 4

What type of force is pushing an elephant that won’t move?

Answer 4

Friction

Question 5

An astronaut would have the same _______ as on Earth.

Answer 5

Mass

Question 6

Velocity

Answer 6

Includes both direction and speed

Question 7

The combined force on an object is called the ______ Force.

Answer 7

Net force

Question 8

An equation for acceleration

Answer 8

A= (vf-vi)/t ans is always squared

Question 9

Acceleration

Answer 9

Changing velocity

Question 10

What are three ways to accelerate

Answer 10

Speed up
Slow down
Change direction

Question 11

What causes the path of a projectile to be curved?

Answer 11

Horizontal and vertical gravity

Question 12

Which of the following is a force

a) inertia
b) velocity
c) acceleration
d) friction

Answer 12

d)friction

Question 13

The relationship between force and acceleration is explained by Newton’s ______ Law.

Answer 13

2nd

Question 14

The gravitational force between two objects depends on______ and the _______ between them.

Answer 14

Mass and distance

Question 15

A feather will fall through the air slower than a brick because of ______.

Answer 15

Air resistance

Question 16

Acceleration due to gravity is ______.

a) 98m/s^2
b) 9.8m/s
c) 9.8m/s^2
d) 98m/s

Answer 16

c)9.8m/s^2

Question 17

If a question says constant the answer can NEVER have to do with_____.

Answer 17

Acceleration

Question 18

What is a push or pull?

Answer 18

Force