A person is sitting in a car that suddenly accelerates. According to Newton’s First Law, the person will:
a) Continue to move at constant speed
b) Stay at rest relative to the car
c) Move backward relative to the car
d) Move forward relative to the car
Which of the following is an example of Newton’s Second Law?
a) A stationary object remains at rest until acted upon by a force
b) A rocket moves upward as a result of expelling gas downward
c) The Earth pulls objects toward it with gravitational force
d) An object continues to move in a straight line unless acted upon by a force
In the case of an object in free fall, which of Newton’s Laws is being demonstrated?
a) First Law
b) Second Law
c) Third Law
d) Law of Gravity
When a car’s brakes are applied and it slows down, the force responsible for this change in velocity is explained by:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation of Energy
In which of the following cases does Newton’s Third Law apply?
a) A person pushes against a wall, and the wall pushes back with an equal and opposite force
b) A stationary object stays stationary until a force acts on it
c) An object in motion remains in motion unless a force stops it
d) A moving object’s speed increases as a result of applied force
A person jumps off a boat and the boat moves backward. This is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation of Momentum
Which of the following is an example of an application of Newton’s First Law?
a) A person inside a car lurches forward when the car suddenly stops
b) A person moves backward when a rocket expels gas
c) An object accelerates when a force is applied
d) A rocket travels in space because it has no opposing force
In a frictionless environment, an object in motion:
a) Will eventually stop
b) Will continue to move at constant speed
c) Will move faster over time
d) Will accelerate due to gravity
When a person pushes a shopping cart, the acceleration of the cart depends on:
a) The mass of the cart
b) The force applied to the cart
c) The frictional force acting on the cart
d) All of the above
A car is moving at a constant speed on a level road. The forces acting on it are:
a) Balanced
b) Unbalanced
c) Zero
d) Nonexistent
When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction. This is explained by:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Inertia
If a person pushes a cart and the force of friction resists the motion, the net force on the cart is:
a) Zero
b) Equal to the force of friction
c) The difference between the pushing force and friction
d) Equal to the mass of the cart
A person is seated in a car and the car suddenly accelerates forward. The person feels as if they are being pushed backward. This feeling is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Gravitational Force
In a collision between two objects, the force exerted on each object is:
a) Different
b) The same
c) Dependent on the mass
d) Dependent on the velocity
The acceleration of an object is directly proportional to the:
a) Force applied to it
b) Mass of the object
c) Frictional force
d) Distance it travels
A rocket launches upward because of the force of gas being expelled downward. This is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Conservation of Energy
When a person walks on the ground, they push on the ground with a force. According to Newton’s Third Law, the ground pushes back with:
a) A lesser force
b) An equal and opposite force
c) No force
d) A greater force
An object will remain at rest unless acted upon by:
a) A force
b) Its mass
c) Its velocity
d) Its acceleration
When two objects collide and one is much heavier than the other, the heavier object will:
a) Experience a larger change in velocity
b) Experience a smaller change in velocity
c) Move in the opposite direction
d) Stop moving
A car’s engine generates a force that moves the car forward, while friction acts in the opposite direction. This is an example of:
a) Balanced forces
b) Unbalanced forces
c) Newton’s First Law
d) Static friction
If the net force acting on an object is zero, the object will:
a) Move at constant speed
b) Speed up
c) Slow down
d) Stop
In a frictionless environment, an object will continue moving in a straight line unless:
a) A force is applied to it
b) It runs out of energy
c) The velocity becomes zero
d) Its mass changes
An example of Newton’s First Law in everyday life is:
a) A person pushes a car and it moves
b) A car continues moving even when the engine is turned off
c) A car accelerates when the gas pedal is pressed
d) A person pushes against a wall and it pushes back
If a truck applies a force to push a car, the car exerts a force of equal magnitude but in the opposite direction. This is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Motion
When a person pulls a sled, the force applied to the sled results in:
a) An increase in speed and velocity
b) A decrease in the mass of the sled
c) A change in the direction of motion
d) A frictional force that resists motion
The force of gravity acting on an object is:
a) Always greater than any other force
b) Equal to the mass of the object
c) Proportional to the object’s weight
d) Equal to the object’s acceleration
A person feels a push backward in an accelerating car because:
a) The car applies a backward force
b) The car is stationary
c) The car moves faster than the person’s body
d) Newton’s Second Law of motion applies
In a tug-of-war game, the force exerted by one player is opposed by:
a) The same force exerted by the other player
b) The ground
c) The rope tension
d) Friction
When a car moves at a constant speed, the forces acting on it are:
a) Equal and balanced
b) Unbalanced and accelerating
c) Unequal and accelerating
d) Zero
