Potential and Kinetic Energy Review

Front

Kinetic energy is proportional to the ________________________ of an object.

Back

Mass

Front

_______________ potential energy depends on its distance from the ground. The potential energy decreases the _____________ the object is to the ground.

Back

Gravitational; Closer

Front

Under which of the following conditions can the pickup truck have more kinetic energy than the school bus? The pickup truck is moving at 1 m/s and the school bus is moving at 2 m/s. True or False?

Back

False

Front

Under which of the following conditions can the pickup truck have more kinetic energy than the school bus? The pickup truck is moving at 4 m/s and the school bus is moving at 2 m/s. True or False?

Back

True

Front

Under which of the following conditions can the pickup truck have more kinetic energy than the school bus? The pickup truck is moving at 2 m/s and the school bus is moving at 3 m/s. True or False?

Back

False

Front

Under which of the following conditions can the pickup truck have more kinetic energy than the school bus? The pickup truck is moving at 4 m/s and the school bus is moving at 3 m/s. True or False?

Back

True

Front

A ball is thrown into the air. At what point does it have the LEAST stored energy? Point A- before it is thrown, Point B- the instant it leaves the hand, Point C- at its highest point off the ground, Point D- after it hits the ground.

Back

Point D- after it hits the ground

Front

The ability of a system to do work is known as __________.

Back

Energy

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv² (where m is mass and v is velocity)

Front

What is the formula for gravitational potential energy?

Back

PE = mgh (where m is mass, g is acceleration due to gravity, and h is height)