Gravitational Potential Energy

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

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Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

Gravitational Potential Energy (E_p) is...

• the energy stored in a stretched object

• the energy stored in an electrically charged object

• the energy stored in a frozen object

• the energy stored in a raised object

Tags

NGSS.MS-PS3-2

The units for mass are...

• miles, mi
• kilograms, kg
• metres, m
• grams, g

To convert grams into kilograms...

• multiply the grams by 100

• divide the grams by 100

• multiply the grams by 1000

• divide the grams by 1000

In the equation for weight, W=mg,, 'g' stands for...

• grams
• gravity
• gravitational field strength
• energy

The units for gravitational field strength are...

• Newtons per kilogram, N/kg

• Joules, J

• degrees celsius, ^oC

• kilograms, kg

Tags

NGSS.HS-PS2-4

To convert km to m...

• divide the km by 100
• multiply the km by 100
• multiply the km by 1000
• divide the km by 1000

What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano?

Let g = 10 N/kg

• 5,326,950 J

• 532,695 J

• 73.7 J

• 53,270J

Tags

NGSS.MS-PS3-2

What is the gravitational potential energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?

Let g = 10 N/kg

• 32,110 J

• 1690 J

• 4,693 J

• 16,900 J

Tags

NGSS.MS-PS3-2

An Olympic high jumper, with a mass of 82 kg, has a maximum gravitational potential energy of 1970 J. How high was the jump?

Let g = 10N/kg

• 24 m

• 161,540 m

• 2.4 m

• 201 m

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4