Space Test Unit 2

Gravity attracts all objects towards one another.

• False
• True
• It depends

As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

Which of the following never changes no matter where in the universe?

• weight
• force
• mass
• pounds

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?

• slowing motion in a straight line
• accelerating motion in a straight line
• constant motion in a straight line
• constant motion in an unpredictable direction

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

What is Newton's third Law of motion

• Force is equal to the mass and acceleration

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion.

• Friction

What propels a rocket?

• Thrust

• Gravity

• Motion

Which of the following has the planets in order of distance from the sun?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune

• Mars, Mercury, Venus, Earth, Jupiter, Saturn, Uranus, Neptune