Bennett Physical Law

Question 1

For conservative external force, a body's total mechanical energy is constant or conserved.

Accepted Answer

True

Answer

False

Question 2

Kinetic energy plus potential energy equals?

Accepted Answer

Mechanical energy

Answer

Electrical energy

Answer

Heat energy

Question 3

The energy forms are _______ and ______.

Accepted Answer

Heat

Answer

Temperature

Question 4

One of nature's conserved laws is the law of conservation of mass.

Accepted Answer

False

Answer

True

Question 5

Basic conservation laws of nature includes:

Accepted Answer

Linear momentum

Answer

Mass

Question 6

Energy is a ________ .

Accepted Answer

Scalar quantity

Answer

Vector quantity

Answer

Equal quantity

Question 7

What effect does changing the distance between objects have on gravity?

Accepted Answer

Decreasing distance increases gravity

Answer

Gravity increases as distance increases.

Answer

Gravity is unaffected by distance.