Physical Science

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

NGSS.MS-PS2-4

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

Your car has a mass of 2500 kg and a force of 5000 N.  How fast will it accelerate?

• 20 m/s²
• 2 m/s²
• 0.5 m/s²
• 120 N 

Tags

NGSS.MS-PS2-2

Admiral ackbar tell his pilot to accelerate to 6m/s² to avoid a trap.  Its mass is .3kg.  What was the force?

• 18N
• 1.8N
• 2N
• .2N

Tags

NGSS.MS-PS2-2

A boat is accelerating at 2 m/s², the net force applied to the boat is 80,000 N, what is the mass of the boat?

• 160,000 g
• 400,000 g
• 40,000 kg
• 160,000 kg

Tags

NGSS.MS-PS2-2

True or false.  The appropriate units for velocity are m/s²

• True
• False

Which of the following measurement units can be used to measure mass?

• Newton
• kilogram
• cm³
• m/s

Acceleration due to gravity on Earth is equal to

• 9.8 m/s^2
• 9.8 m/s
• 8.9 m/s
• 8.9 m/s^2

Tags

NGSS.HS-PS2-4

If an object mass =30 Kg on the Earth, what would be it's weight on Earth?

• 30 N
• 300 kg
• 3000N
• 300 N

Tags

NGSS.MS-PS2-4

On which celestial object would you weigh the most?

• Earth
• Jupiter
• Sun
• You would weigh the same on all celestial objects