Review for Q3 Benchmark - 2024

Which two variables affect the gravitational force between objects

• Weight, mass

• volume, weight

• distance, mass

• rotation, distance

Four wrestlers step on a scale for a tournament. Wrestler A weighs in at 170 pounds; wrestler B weighs in at 168 pounds; wrestler C weighs in at 171 pounds; and wrestler D weighs in at 169 pounds. Which of these wrestlers experiences the greatest force due to gravity?

• Wrestler A

• Wrestler B

• Wrestler C

• Wrestler D

Between which pair of objects would the LARGEST gravitational attraction be found? Assume there is an equal distance between the first and second items mentioned in all four answer choices?

• an ant and the earth

• a person and the earth

• a person and a small bird

• a small bird and the earth

A 5.5 kg box is pushed across the lunch table. The acceleration of the box is 4.2 m/s2. What was the net force applied to the box?

• 1.3 N

• 1.31 N

• 9.7 N

• 23.1 N

A person jumps forward off the front of a stationary boat floating on a lake.
Identify the reaction force in this case, between the person and the boat.

• The boat being pushed down by the air.

• The person applying a force to the boat pushing it backward.

• The boat applying a force on the person pushing her forward.

• The water applying a force on the boat keeping it from sinking.

If you know the amount of the unbalanced force acting upon an object and the mass of the object, using Newton's 2nd Law what could you calculate about the object?

• acceleration

• friction

• inertia

• velocity

Once out in space, the space shuttle needs to ________________ to keep going in the same direction at the same speed.

• turn off its engines

• continue to fire its engines

• fine its engines intermittently

• gradually slow the engines down

If Shane and Susan both push on a box with a force of 25N, but in opposite directions, what will happen to the box?

• The box will not move.

• The box will slide toward Shane.

• The box will slide toward Susan.

• The box will be perpendicular to both Shane and Susan.

A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee still splashes out.

This can best be explained due to _____________________.

• density

• friction

• gravity

• inertia

Which situation is the BEST example of inertia?

• An old lady uses a walker and is able to cross the street.

• A rocket thrusts its boosters and lifts off the launching pad.

• A rock is thrown vertically up in the air and it falls back to the earth.

• You go down a steep roller coaster and it feels like your stomach is going up into your throat.