Newtons Laws Quizizz

A change in velocity is called

• Inertia

• Acceleration

• Net Force

• Speed

You are moving a dresser that has a mass of 36kg. Its acceleration is 0.5 m/s². What is the force being applied?

• 72 N

• 35.5 N

• 1.8 N

• 18 N

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Which of the following is not an acceleration?

• Turning your bike around a corner

• Applying the breaks as you approach an intersection

• Pedaling faster to beat a red light.

• Riding your bike straight down the street at a constant speed.

The law of inertia applies to

• Objects at rest

• Moving objects

• Both

One object has twice as much mass as another object. The first object also has twice as much....

• velocity

• Gravitational acceleration

• Energy

• Inertia

• All of the above

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Friction is a force that always acts

• Perpendicular to the object's motion

• Opposite to the objects motion

• In the same direction as the object's motion

• none of the above

An object weighs 30N on Earth. A second object weighs 30N on the moon. Which had the greater mass?

• they have the same mass

• the one on the Earth

• the one the moon

• Not enough information to say

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The mass of the dog that weighs 100 N is about

• 100kg

• 1kg

• 10kg

• 1000 kg

• None of the above

Which has more mass? A kilogram of feathers or a kilogram of iron?

• They have the same mass

• The feathers

• the iron

Consider a ball rolling down a ramp. Its acceleration...

• Increases

• Decreases

• Is constant

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