Physical Science Chapter 5 Review

A push or pull that can change the motion of an object

• Force

• Gravity

• Inertia

• Mass

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The tendency of an object to resist changes in its state of motion

• Force

• Gravity

• Inertia

• Mass

A force of attraction that pulls objects toward the center of the Earth

or any other massive object

• Force

• Gravity

• Inertia

• Mass

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The amount of matter in an object.

• Force

• Gravity

• Inertia

• Mass

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When forces acting on an object are not equal,

causing the object to accelerate in the direction of the greater force.

• Balanced force

• Gravity

• Friction

• Unbalanced force

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A condition where all forces acting on an object are equal and opposite

resulting in no movement or constant velocity

• Balanced force

• Friction

• Gravity

• Unbalanced force

Which of the following best describes the relationship between

force and acceleration according to Newton's second law?

• Force is inversely proportional to acceleration

• Force is directly proportional to acceleration

• Force and acceleration are unrelated

• Force is proportional to the square of acceleration

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NGSS.MS-PS2-2

According to Newton's Third Law, when a person pushes on a wall with a force of 50N,

what is the reaction force

• 50N pulling the person toward the wall

• 50N exerted by the wall on the person

• 100N pushing back on the person

• No reaction force exists

The force of gravity acting on an object is referred to as its

• Inertia

• Mass

• Momentum

• Weight

Which of the following is an example of contact force?

• Electrical force

• Frictional force

• Gravitational force

• Magnetic force