Round 2: Team Competition

The force which opposes the motion of an object is ....

• gravitational force

• drag force

• tension force

• thrust force

What type of force is keeping the box on the ramp?

• gravitational force

• thrust force

• tension force

• normal reaction force

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

What is the net force in this picture?

• 40 N, left

• 40 N, right

• 20 N, balanced

• 0 N, balanced

A car moves along a level road.

The diagram shows all of the horizontal forces acting on the car.

Which statement is correct?

• The car is slowing down.

• The car is speeding up.

• The car is moving at a constant speed.

• The car is moving backwards.

What is the net force?

• 4000 N left

• 5000 N left

• 5000 N right

• 8000 N right

Which of the following is the normal reaction force?

• the force between any two objects in contact (like the upwards force from a table on a book)

• the upward on any object in a fluid (like a boat on the surface of a river)

• Forces that stretch an object (like two teams in a tug of war)

• The force that squeeze an object (like squeezing a spring)

Force that opposes the motion of an object that travels through the air!

• Gravitational force

• Normal reaction force

• Applied force

• Air Resistance

The force exerted by the player in red jersey.

• Tension force

• Frictional force

• Applied force

• Gravitational force

Force that keeps the planters from falling

• Gravitational force

• Tension force

• Normal reaction force

• Frictional force