Force and Momentum

As the distance between two objects increases, the gravitational force ____.

• increases
• decreases
• stays the same

Tags

NGSS.HS-PS2-4

Which variable is dependent upon location?

• weight
• mass

What units measure weight?

• newtons

• kilograms

• m/s/s

Tags

NGSS.HS-PS2-4

True or False: Weight is a force.

• true
• false

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Two planets of the same size. Which one has a greater gravitational constant?

• The one with the greater mass
• The one with less mass

Tags

NGSS.HS-PS2-4

Which value is correct for the acceleration due to gravity on Earth?

• 9.8 m/s/s
• 1.6 m/s/s
• 8.9 m/s/s
• 3.6 m/s/s

What are the correct units for acceleration?

• m/s²
• N
• kg

Tags

NGSS.HS-PS2-1

What are the correct units for mass?

• m/s²
• kg
• N

According to this graph, with correct units what is the acceleration due to gravity?

• 4.00 N/kg
• 3.78 N/kg
• 3.78 kg/N
• 4.00 kg/N

Tags

NGSS.HS-PS2-1

An object at rest stays at rest because...

• All forces acting on it are balanced

• Gravity is pulling it down

• It has inertia

• No unbalanced forces are acting on it