Mechanical Forces

Question 1

First Law of Thermodynamics

Answer 1

In a closed system, energy can neither be created nor destroyed, only transformed or transferred

Question 2

Law of Conservation of Mass

Answer 2

Matter cannot be created or destroyed; it can only change forms

Question 3

Law of Conservation of Momentum

Answer 3

Changes of momentum in a closed system must be equal

Question 4

The scientific study of motion

Answer 4

Mechanics

Question 5

Energy of Motion

Answer 5

Mechanical Energy

Question 6

The ability to perform work

Answer 6

Energy

Question 7

Laws put in place by God to govern how things work in the universe

Answer 7

Physical Law

Question 8

Energy that is being stored

Answer 8

Potential Energy

Question 9

Energy that is being used

Answer 9

Kinetic Energy

Question 10

Law of conservation of Energy

Answer 10

Energy cannot be created or destroyed; only change forms

Question 11

Movement due to mass and velocity in a particular direction

Answer 11

Momentum

Question 12

A push or pull

Answer 12

Force

Question 13

A continuous pull on an object

Answer 13

Tension

Question 14

Force exerted by liquids and gases equal to mass of displaced fluids

Answer 14

Buoyancy

Question 15

Sum of all the forces exerted on an object

Answer 15

Net Force

Question 16

The amount of tension a material can withstand

Answer 16

Tensile strength

Question 17

Hooke’s Law

Answer 17

A spring stretches or compresses proportional to the force applied

Question 18

Force that resists movement

Answer 18

Friction

Question 19

Substance that reduces friction

Answer 19

Lubricant

Question 20

Changes in position due to an applied force

Answer 20

Work

Question 21

Rate at which work is done

Answer 21

Power

Question 22

What is Mechanical Force?

Answer 22

The energy that is possessed by an object due to its motion or due to its position