MS Physical Science Apex Unit 7 Test Review

Which two statements about forces are true?

• Forces organize and affect how matter moves.

• Every force has an equal but opposite force.

• Forces are always balanced.

• Every force requires matter to touch.

Which type of force enables all the matter made up of atoms to exist?

• strong nuclear

• gravitational

• normal

• electromagnetic

Which type of force is a noncontact force?

• Any fundamental force

• Buoyancy

• Air resistance

• Any normal force

Which type of force is a contact force?

• friction

• gravity

• electromagnetic force

• strong nuclear force

The arrow in the photo represents a force. Which force is equal but opposite to the one shown?

• The ground applying a force on the horse

• Air resistance applying a normal force on the horse

• The horse applying an action force on the ground

• Gravity applying a downward force on the horse

Which two characteristics are needed to describe a force?

• size

• direction

• resistance

• speed

These students are playing tug-of-war. What will cause one side to win the game?

• a net force other than zero

• no applied forces

• balanced forces

• a net force of zero

Which phrase describes a situation in which all the forces are balanced?

• A student leaning against a brick wall

• A student slipping on icy ground

• A student diving into a swimming pool

• A student walking across a room

What can cause an object to move?

• unbalanced forces

• inertia

• balanced forces

• a reference point

Imagine you are riding on a school bus. Which two objects would appear to be moving from your seat on the bus?

• the clouds above the bus

• the street outside the bus

• the seats on the bus

• the floor of the bus