A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

• 60 J
• 600 J
• 17 J
• 2.4 J

Tags

NGSS.HS-PS3-1

If you exert a force of 20 N to push a desk 10 m, how much work did you do to the desk?

• 20 N
• 200 N
• 200 J
• 2 J

Tags

NGSS.MS-PS3-5

Which has a greater momentum a semi-truck at rest or a bicycle in motion?

• truck
• bicycle
• neither has momentum
• same

Tags

NGSS.HS-PS2-2

On a graph showing distance versus time, a horizontal line represents an object that is

• moving at constant speed
• decreasing its speed
• increasing its speed
• not moving

In a speed vs. time graph, a straight line shows that acceleration is

• decreasing
• increasing
• constatnt
• zero

A person has a mass of 24 kg on Earth. What is the persons mass on the Moon (1/6 of Earth's gravity)?

• 24 kg
• 144 kg
• 6 kg
• 4 kg

Tags

NGSS.MS-PS2-4

When you know speed and direction you know

• force
• acceleration
• velocity
• momentum

Tags

NGSS.HS-PS2-2

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²
• 4.9 m/s²
• -9.8 m/s²

Tags

NGSS.HS-PS2-1

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What determines the strength of gravitational attraction between two objects?

• mass and distance
• size and mass
• density and mass
• density and size

Tags

NGSS.HS-PS2-4