Earth's Forces

Force that brings objects towards one another

• Friction

• Gravity

• Normal Contact

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Developed the three laws of motion

• Benjamin Franklin

• Albert Einstein

• Sir Isaac Newton

• Thomas Edison

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True or False. Friction acts in the opposite direction of the motion

• True

• False

The force that opposes motion

• Gravity

• Friction

• Velocity

• Normal Contact

Force is measured in

• Joules

• Meters

• Newtons

• Books

When forces on an object are ____________, there is no change in the object's velocity.

• Inertia

• Unbalanced

• Balanced

• Reaction Forces

The strength of the force of gravitation between two objects increases as the _______ ob the object increases

• Weight

• Distance

• Mass

• Velocity

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NGSS.MS-PS2-4

Speed in a certain direction is called?

• Average speed

• Velocity

• Gravitational Force

• Friction

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The forces that can causes a change in the velocity of an object are..

• Balanced

• Unbalanced

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Momentum =

• Mass x Velocity

• Distance x Velocity

• Mass x Distance

• Mass x Average Speed

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