# Inertia

## Quiz by Abigail Henderson

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15 questions
• Q1
How does inertia affect an object at rest?
An object at rest will disappear
An object at rest will start moving on its own
An object at rest will remain at rest unless acted upon by an external force
An object at rest will gradually begin to spin
30s
• Q2
In a car crash, why is it important to wear a seatbelt in terms of inertia?
Wearing a seatbelt helps the car accelerate faster
Wearing a seatbelt makes the car turn more smoothly
Wearing a seatbelt prevents the body from continuing forward due to inertia when the car suddenly stops
Wearing a seatbelt increases the impact force of the crash
30s
• Q3
What effect does friction have on an object's inertia?
Friction helps an object move faster
Friction has no impact on an object's inertia
Friction can reduce an object's inertia by acting as a resisting force
Friction increases an object's inertia
30s
• Q4
Which of the following best describes inertia?
The tendency of an object to resist changes in its state of motion
The speed of an object in motion
The force that causes objects to move
The ability of an object to float in water
30s
• Q5
What happens when unbalanced forces act on an object?
The object will change color
The object will stop moving
The object will move at a constant speed
The object will accelerate in the direction of the larger force
30s
• Q6
How does the speed of an object change when unbalanced forces act on it?
The speed remains constant
The object changes color
The object stops moving
The speed of the object increases or decreases depending on the direction of the force
30s
• Q7
What happens to an object when balanced forces act on it?
The object stops moving completely
The object accelerates in the direction of the net force
The object remains at rest or continues moving at a constant velocity
The object moves in different directions at different speeds
30s
• Q8
Which of the following factors does not affect friction?
Force pushing the objects
Color of the surface
Roughness of the surfaces
Weight of the objects
30s
• Q9
What is the force that opposes the motion of objects sliding against each other?
Frictional force
Gravitational force
Electric force
Magnetic force
30s
• Q10
Which of the following factors can increase friction between surfaces?
Applying more force
Decreasing the roughness of the surfaces
Reducing the weight of the objects
30s
• Q11
According to Newton's first law of motion, an object at rest tends to stay at rest unless acted upon by?
magnetism
an external force
gravity
friction
30s
• Q12
Which of Newton's laws states that for every action, there is an equal and opposite reaction?
Newton's law of universal gravitation
Newton's first law of motion
Newton's third law of motion
Newton's second law of motion
30s
• Q13
Which of Newton's laws describes the relationship between an object's mass, acceleration, and the force applied to it?
Newton's first law of motion
Newton's second law of motion
Newton's third law of motion
Newton's law of universal gravitation
30s
• Q14
If two skaters standing on ice push away from each other, which of Newton's laws best describes this action?
Newton's second law of motion
Newton's third law of motion
Newton's first law of motion
Newton's law of universal gravitation
30s
• Q15
When a soccer ball is kicked, which of Newton's laws explains why the ball changes its motion?
Newton's third law of motion
Newton's second law of motion
Newton's first law of motion
Newton's law of universal gravitation
30s

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