Inertia is(1 point)
Responses
a force that acts on a resting object.
a force that acts on a resting object.
the resistance of an object to change its motion.
the resistance of an object to change its motion.
an object's motion.
an object's motion.
a moving object's speed and direction.
a moving object's speed and direction.
5 answers
The correct answer is: the resistance of an object to change its motion.
You are sitting in a stopped bus. When the bus starts moving forward, you appear to move backward relative to the bus. Which statement best explains this observation?(1 point)
Responses
The bus moves forward, while inertia keep you in place.
The bus moves forward, while inertia keep you in place.
The force of inertia on you balances the force from the motion of the bus.
The force of inertia on you balances the force from the motion of the bus.
The motion of the bus creates an unbalanced backward force on you.
The motion of the bus creates an unbalanced backward force on you.
Inertia prevents the force of the bus from acting on you.
Responses
The bus moves forward, while inertia keep you in place.
The bus moves forward, while inertia keep you in place.
The force of inertia on you balances the force from the motion of the bus.
The force of inertia on you balances the force from the motion of the bus.
The motion of the bus creates an unbalanced backward force on you.
The motion of the bus creates an unbalanced backward force on you.
Inertia prevents the force of the bus from acting on you.
The correct answer is: The bus moves forward, while inertia keeps you in place.
Which statement best explains why a paper airplane eventually falls to the ground?(1 point)
Responses
The unbalanced forces of air resistance and gravity slow the airplane and pull it down.
The unbalanced forces of air resistance and gravity slow the airplane and pull it down.
The force from throwing the airplane loses strength as the airplane moves.
The force from throwing the airplane loses strength as the airplane moves.
Inertia acts as a balanced force that slows the airplane and pulls it down.
Inertia acts as a balanced force that slows the airplane and pulls it down.
Inertia creates the new forces acting on the airplane to keep it up.
Inertia creates the new forces acting on the airplane to keep it up.
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Responses
The unbalanced forces of air resistance and gravity slow the airplane and pull it down.
The unbalanced forces of air resistance and gravity slow the airplane and pull it down.
The force from throwing the airplane loses strength as the airplane moves.
The force from throwing the airplane loses strength as the airplane moves.
Inertia acts as a balanced force that slows the airplane and pulls it down.
Inertia acts as a balanced force that slows the airplane and pulls it down.
Inertia creates the new forces acting on the airplane to keep it up.
Inertia creates the new forces acting on the airplane to keep it up.
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The correct answer is: The unbalanced forces of air resistance and gravity slow the airplane and pull it down.