Quiz on Force and Motion

What is a force?

• A push or pull on an object

• The speed of an object

• The position an object

• The mass of an object

Which of the following is a contact force?

• Gravity

• Magnetic force

• friction

• Electric force

Which force acts between two objects in direct contact?

• Gravitational force

• Electromagnetic force

• Frictional force

• Nuclear force

What is the reference point in motion?

• Fixed point tells you whether this object is in motion or not

• force acting on an object

• The speed of an object

• The mass of an object

Which of the following is a contact force?

• Tension

• Gravity

• Friction

• Normal force

What is an example of a non-contact force?

• Friction

• Tention

• Gravity

• Normal force

What is the unit of force in the International System of Units (SI)?

• Kilogram

• Newton

• Joule

• Meter

What is the purpose of a frictional force?

• To increase speed

• To slow down or stop motion

• To change direction

• To create energy

Which of the following best describes the relationship between mass and gravitational force?

• Greater mass means less gravitational force

• Mass does not affect gravitational force

• Greater mass means greater gravitational force

• Gravitational force is only affected by distance

Write 3 examples of non-contact force.