PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED ALREADY PASSED

PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS

VERIFIED ALREADY PASSED


What two factors determine how much gravitational potential energy an object

has?

Select one:

a. shape and speed of the object

b. shape of the object and its position relative to the ground

c. weight and speed of the object

d. weight of the object and height above the ground

d. weight of the object and height above the ground

The gravitational potential energy of an object changes when which of the

following changes?

Select one:

a. the object's length

b. the object's mass

c. the object's speed

d. the object's temperature

b. the object's mass

The kinetic energy of an object changes when which of the following changes?

Select one:

a.the object's speed

b.the object's direction of motion

, a.the object's speed

Which of the following is NOT a form of energy?

Select one:

a. chemical

b. electrical

c. friction

d. thermal

c. friction

The effect of friction is to convert kinetic energy to ____________ .

Select one:

a. elastic potential energy

b. mechanical energy

c. thermal energy

c. thermal energy

A baseball is hit into the air with a bat. When does the baseball have the greatest

gravitational potential energy?

Select one:

a. when it hits the ground

b. when it leaves the bat

c. when it reaches its highest point

c. when it reaches its highest point

When an energy transformation occurs, which of the following is true?

Select one: