# Worksheet: The Fundamental Forces

In this worksheet, we will practice describing the properties of the four fundamental forces and which particles interact via each force.

**Q1: **

List the four fundamental forces from greatest relative strength to lowest relative strength.

- AThe strong nuclear force, the weak nuclear force, gravity, the electromagnetic force
- BGravity, the weak nuclear force, the electromagnetic force, the strong nuclear force
- CThe strong nuclear force, the electromagnetic force, the weak nuclear force, gravity
- DGravity, the strong nuclear force, the weak nuclear force, the electromagnetic force
- EThe strong nuclear force, the weak nuclear force, the electromagnetic force, gravity

**Q2: **

Which of the following is the approximate range of the strong nuclear force?

- A m
- B m
- C m
- D m
- EInfinite

**Q3: **

Which of the four fundamental forces has the greatest relative strength?

- AThe weak nuclear force
- BThe strong nuclear force
- CElectromagnetic force
- DGravitational force

**Q4: **

Is the electromagnetic interaction attractive, repulsive, or both?

- ARepulsive
- BBoth
- CAttractive

**Q5: **

What is the range of gravity?

- A m
- BInfinite
- C m
- D m
- E m

**Q6: **

Which of the four fundamental forces has the lowest relative strength?

- AThe weak nuclear force
- BElectromagnetic force
- CThe strong nuclear force
- DGravitational force

**Q7: **

Which of the following symbols represents a gluon?

- A
- B
- C
- D
- E

**Q8: **

What particle mediates the electromagnetic interaction?

- AThe gluon
- BThe graviton
- CThe Z boson
- DThe W boson
- EThe photon

**Q9: **

Is the strong nuclear force attractive, repulsive, or both?

- ARepulsive
- BBoth
- CAttractive

**Q10: **

What is the range of the electromagnetic interaction?

- AInfinite
- B m
- C m
- D m
- E m

**Q11: **

Is the gravitational force attractive, repulsive, or both?

- ABoth
- BAttractive
- CRepulsive

**Q12: **

What particle mediates the strong nuclear interaction?

- AThe W boson
- BThe photon
- CThe graviton
- DThe Z boson
- EThe gluon

**Q13: **

Which of the following symbols represents a photon?

- A
- B
- C
- D
- E