Physics Quiz

What is force?

• A. The interaction between two objects that can change the motion of one or both of them

• B. The energy at rest

• C. The measure of the average kinetic energy of all the particles in an object

• D. The flow of energy due to temperature differences

Which unit is used to measure force?

• A. Newton

• B. Joule

• C. Calorie

• D. Kelvin

What is friction?

• A. The force applied to an object by a person or another object

• B. The sticky force that can make things harder to move smoothly

• C. The force that acts perpendicular to the contact surface

• D. The force that makes objects move towards each other

What is the normal force?

• A. The interaction between two objects that can change the motion of one or both of them

• B. The force applied to an object by a person or another object

• C. The force that acts perpendicular to the contact surface

• D. The force that makes objects move towards each other

What is the tension force?

• A. The interaction between two objects that can change the motion of one or both of them

• B. The force applied to an object by a person or another object

• C. The force that acts perpendicular to the contact surface

• D. The force applied to the string, rope, chain or cable as two men pull it

What is gravity?

• A. The interaction between two objects that can change the motion of one or both of them

• B. The pulling force that makes objects move towards each other

• C. The force applied to an object by a person or another object

• D. The force that acts perpendicular to the contact surface

What happens when two different magnetic poles come close to each other?

• A. They attract

• B. They repel

• C. They cancel each other out

• D. They have no effect on each other

What is a balanced force?

• A. Two forces in opposite directions and both equal in value

• B. Two forces in opposite directions and one is greater than the other

• C. Two forces in the same direction and both equal in value

• D. Two forces in the same direction and one is greater than the other

What is Newton's first law of motion?

• A. An object at rest will stay at rest, and an object in motion will stay in motion at constant velocity, unless acted upon by an unbalanced force

• B. Force equals mass times acceleration

• C. For every action there is an equal and opposite reaction

• D. The energy at rest

What is potential energy?

• A. The energy at rest

• B. The energy of motion

• C. The energy that is converted

• D. The energy that makes objects move towards each other