Formulas & More
mass*acceleration is formula for....
What is the formula for force?
The formula for gravitational potential energy
What is PE = mgh ?
For an object falling to the ground, this is where the object will have the most kinetic energy.
What is just before hitting the ground?
While he and his family are moving, Joshua drags his suitcase 12 m from the front door to the car at a constant speed. It takes him 16 s to reach the car pulling with a horizontal force of 87.0 N.
This is the amount of work that Joshua does on the suitcase.
What is 1044 J
While he and his family are moving, Joshua drags his suitcase 12 m from the front door to the car at a constant speed. It takes him 16 s to reach the car pulling with a horizontal force of 87.0 N.
This is Joshua's power output.
What is 65 W?
1/2 mv2 is the formula for....
What is the for Kinetic enrgy?
For an object falling to the ground, the position where the potential energy is at its lowest
What is at the ground?
The definition of kinetic energy
What is "moving" energy
Aimee does 5.0 J of work to move her dresser drawer a distance of 2.4 m in a time of 8.0 s.
This is the amount of force she exerted.
What is 2.1 N ?
Aimee does 5.0 J of work to move her dresser drawer a distance of 2.4 m in a time of 8.0 s.
This is the power Aimee developed in that time.
What is .625 W
Seven runs 3 meters to Rosie to grab a box with a force of 7 Netwons and runs back to his original spot. How much work has he done?
What is no work?
List the two types of potential energy and one example for each
What is gravitational and elastic potential energy?
(ex. gravitational: a ball at the top of a hill/ elastic: Spring in a matress or on a scale)
A 4 kg ball is on a 5-m high ledge. If it falls off the ledge, this is the kinetic energy it will have just before hitting the ground.
What is 196 J?
The formula for calculating work done on an object.
What is W = Fd
The amount of energy used when a 60-watt bulb runs for 5 seconds.
What is 300 J
Octavia is about to ride the Tower of Terror but want to calculate her graviatational potential energy. What formula would she use?
What is G*m*h?
Mr. Ivers gains 3,025 J of potential energy when he moves 3.2 m up the stairs to the 1st floor. This is his mass.
what is 96 kg?
A rolling ball has 18 J of kinetic energy and is rolling 3 m/s. This is the mass of the ball.
What is 4 kg?
The formula that describes the Work-Energy Theorem
W = ΔET
You hold a 30 N box in place by pushing down on on it for 2.0 minutes.
This is the amount of power.
What is 0 W
Sherry is on a rollercoaster. Her height is about 300 m and her mass is 70g. What is her GPE?
What is 205800 J?
Which has more potential energy at a height of 10,000 km: an empty plane or a full plane?
a full plane
A 2.3 kg mass attached to a horizontal spring with spring constant 54 N/m, is released 0.42 m from its equilibrium position. (neglect friction)
This is the mass's speed as it passes through its equilibrium position.
What is 2 m/s ?
Person A and Person B are competing against each other, they both can lift 75 kg boxes 3.5 m off of the ground. Person A lifts her box in 1.5 s and Person B lifts his box in 2.4 s. This person does more work.
What is NEITHER
Person A and Person B are competing against each other, they both can lift 75 kg boxes 3.5 m off of the ground. Person A lifts her box in 1.5 s and Person B lifts his box in 2.4 s. Which person uses more power??
Who is Person A