Fill in the blank: When an object is lifted, it gains gravitational potential energy, which can be converted to ___ when it falls.

Fill in the blank: The unit of gravitational potential energy is ___.

What is the formula for calculating gravitational potential energy?

Gravitational potential energy formula is Ep = mgh.

• Energy depends on mass.

• Gravity affects potential energy.

• Height impacts energy value.

What is the formula for calculating kinetic energy?

Ek = (1/2) m v², where Ek is kinetic energy in Joules, m is mass in kilograms, and v is speed in meters per second.

Kinetic energy increases with both mass and ___ of an object.

Fill in the blank: A skateboarder's kinetic energy determines how ___ they go up a ramp.

What are the three forms of kinetic energy?

Riddle: I can be seen when a soccer ball rolls across the field, but I depend on both mass and speed. What am I?

How do you calculate the gravitational potential energy of an object?

False

Gravitational potential energy is calculated.

• Formula: Ep = mgh explained.

• Variables: mass, gravity, height.

• Units: Joules, kg, m/s².

A 4 kg object held 2 m above the ground has a gravitational potential energy of ___.

What is the formula for calculating mechanical energy (EM)?

EM = Ep + Ek, where EM is mechanical energy, Ep is gravitational potential energy, and Ek is kinetic energy.

An object with a gravitational potential energy (Ep) of 20 J and kinetic energy (Ek) of 30 J has a total mechanical energy (EM) of ___.

If an object has a mechanical energy (EM) of 100 J, a mass of 1 kg, and a height of 5 m, what is its kinetic energy (Ek)?

Fill in the blank: The conservation of energy principle states that the total mechanical energy in a closed system remains ___.