Chapter 2 Lesson 1 Gravity and Friction Daily Grade

A push or a pull is called a(n) _______.

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A(n) _______ is a push or a pull on an object by another object that is touching it.

• contact force

• magnetic force

• gravitational force

• electrostatic force

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A force that one object can apply to another object without touching it is a(n) _______.

• noncontact force

• contact force

• frictional force

• applied force

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Gravity, magnetism, and electric forces are examples of _______ forces.

• noncontact

• frictional

• thermal

• chemical

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Forces have _______ and _______.

• strength; direction

• mass; volume

• speed; acceleration

• weight; density

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An arrow can be used to show a force; the _______ shows the strength of the force, and the direction of the arrow shows the _______ of the force.

• length; direction

• color; mass

• width; speed

• height; acceleration

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Forces are measured in units called _______.

• newtons

• joules

• watts

• meters

_______ is the amount of matter in an object.

• Mass

• Volume

• Density

• Weight

_______ is an attractive force that exists between all objects that have mass.

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Mass is often measured in _______.

• kilograms

• liters

• meters

• seconds