7.2 Potential energy and Kinetic energy

State the situations that involve gravitational potential energy.

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• 
• 
• 

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

State the situation that possessed elastic potential energy.

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• 
• 
• 

Pulling the string of a bow will increase its elastic potential energy.

• TRUE

• FALSE

Choose the correct statement that involves kinetic energy.

• A car parked in front of the house.

• A sailing ship

• A horse grazing the grass

• A swimming dolphin

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

State two factors that influence kinetic energy.

• height of the object from the ground

• the velocity of the object

• the mass of an object

• the displacement

Tags

NGSS.MS-PS3-1

Kinetic energy is the energy possessed by a _________ object.

• Stretched

• compressed

• lifting

• moving

Tags

NGSS.MS-PS3-1

State the formula of gravitational potential energy.

• Fs

• mgh

• 1/2mv²

• 1/2Fx

Tags

NGSS.MS-PS3-2

State the energy that the airplane has.

• gravitational potential energy

• elastic potential energy

• kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the unit for kinetic energy?

• Watt

• Newton

• Joule

• m/s²

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

An arrow is moving at a speed of 30m/s has a kinetic energy of 1800J. What is its mass?

• 4kg

• 40kg

• 6kg

• 60kg

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4