2023 Energy Flashcard

Front

When an object is thrown upwards, its ________ is converted to _________

Back

KE / GPE

Front

How much work is required to push a heavy box if a force of 234 N is applied for 12 meters?

Back

2,808 J

Front

A 3 kg rock is held motionless at a height of 4 meters above the ground. How much GPE does the rock have at this height? Round your answer to the nearest tenth (one decimal). Use 9.8 m/s² for the acceleration of gravity.

Back

117.6

Front

A 3 kg rock is held motionless at a height of 4 meters above the ground. If you drop the rock, how much KE would it have just before it hits the ground?

Back

118 J

Front

When an object is dropped, its ________ is converted to _________ as it falls.

Back

GPE is converted to KE.

Front

Is work being done when a box is lifted from the floor to your desk?

Back

Yes

Front

Is work being done when a 40 kg box is held motionless 1.2 meters above the ground by a person?

Back

No

Front

How much work is required to lift a 4 kg box to a height of 8 meters?

Back

314 J

Front

How far does a 10 kg rock fall if its velocity just before it hits the ground is 19.6 m/s?

Back

19.6 meters

Front

At which point on the roller coaster is Gravitational Potential Energy (GPE) the largest? Assume friction and air resistance are negligible.

Back

Point A