Newton's Laws Of Motion Question Preview (ID: 18429)

8.6 C Investigate And Describe Applications Of Newton’s Law Of Inertia, Law Of Force And Acceleration, And Law Of Action-reaction Such As In Vehicle Restraints, Sports Activities, Amusement Park Rides, Earth’s Tectonic Activities, And Rocket Launches.[print questions]

How much force (N) is required to accelerate a 2.55 kg remote controlled toy car at a rate of 6.00 m/s?
a) 153 N
b) 15.3 N
c) 2.35 N
d) 23.5 N

Newton’s first law is also called the law of inertia. Which of these scenarios is best explained by this law?
a) A rocket is propelled upward into space by gases pushing downward on Earth.
b) When a roller coaster cart suddenly stops, it causes the passengers to be thrust forward into their seatbelts.
c) A small chair is easier to move than a refrigerator because the chair has a smaller mass.
d) If you throw a 10 kg mass and a 2 kg mass with the same amount of force, the 2 kg mass will travel faster.

Victor kicked a 0.40 kg soccer ball with a force of 8 N, and Jose kicked a 0.20 kg soccer ball with a force of 4 N. Whose ball had the greater acceleration?
a) Victor
b) Jose
c) Their accelerations were the same
d) None of the above

Which of the following describes what happens according to Newton's third law of motion?
a) When you place a force on an object, it will continue to move.
b) When you place a force on an object, it will move and eventually stop.
c) When an object strikes another object with a force, the object responds by pushing back with less force.
d) When an object strikes another object with a force, the object responds by pushing back with an equal force.

A student is riding a bus. Suddenly, the bus driver applies the brakes to avoid hitting another car. The student is thrust forward into his seatbelt. Which of these correctly explains the student’s movement and the law that it refers to?
a) The bus transfers negative energy to the student; Newton’s 4th Law
b) The bus stops, but the student’s body keeps moving; Newton’s 1st Law
c) The bus pushed the student so the student pushed back; Newton’s 3rd Law
d) The force of the bus increased the mass of the student; Newton’s 2nd Law

Which of the following objects would have the greatest acceleration if they each have 15 N of force acting upon it?
a) 5g ball
b) 10g rock
c) 50g orange
d) 100g book

An object is moving to the right with a force of 20 N. What would happen if a force of 20 N started acting on it in the opposite direction?
a) The object’s velocity increases.
b) The object’s velocity decreases.
c) The object comes to a stop.
d) The object will move at the same velocity.

According to Newton’s law of inertia, a ball that is rolling across the ground will:
a) Continue to roll indefinitely because there is no force acting on it
b) Continue to roll unless there is an opposing force acting on it
c) Will stop unless there is an opposing force acting on it
d) Continue to roll regardless of the forces acting on it

Basketball player A throws a ball to Basketball player B, who catches the ball with his hands. Which of the following correctly describes the forces in this example?
a) Basketball player B’s hands exerted an equal and opposite force on the ball.
b) The force of ball was absorbed by the force of friction in the air.
c) The force of the ball was absorbed into Basketball player B’s hands.
d) Basketball player B exerted two times the force of the ball.

Inertia is:
a) The movement caused by a force
b) The resistance to a force or movement
c) The equal and opposite reaction to any action
d) The tendency of an object to remain still or continue moving

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