Round 3: Final Round

The force of gravity is dependent on an object's ....

• mass

• volume

• temperature

• speed

Newton's second law states that the greater the mass the more ... will be needed to move the object.

• power

• force

• distance

• speed

If you increase the mass of an object, its acceleration will ....

• decreases
• stays the same
• also increases
• stops

The tendency of an object to resist a change in its motion is ....

• acceleration
• inertia
• mass
• frame of reference

The magnitude and direction of the resultant force acting on the box is?

• 10 N to the right

• 80 N to the left

• 160 N to the right

• 0 N stationary

What is the type of force acting on that picture?

• Air resistance

• Pull-Push

• Friction

• Weight & Contact

A force that acts in the opposite direction to the movement between two surfaces in contact with one another is ....

• Normal reaction force

• Frictional force

• Gravitational force

• Tension force

The force that attracts an object or mass towards the center of the Earth or any other physical object having mass is ....

• Drag Force

• Normal reaction force

• Frictional force

• Gravitational force

Two forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the diagram. What is the acceleration of the block?

• 5.0 m/s² to the left

• 3.0 m/s² to the right

• 3.0 m/s² to the left

• 5.0 m/s² to the right

A 50 kg cart will accelerate at 4.0 m/s² when pushed with a force of 200 N. This relationship demonstrates which of Newton's Laws of Motion?

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

• Newton's 4th Law of Motion