2nd Nine Weeks Study Guide

3. 8 N to the left , and 4 N to the right. Find the net force. Is this force balanced?

• 12 N Right, No
• 12 N Right, Yes
• 4 N Left, No
• 4 N Left , Yes

4. What is force?

• A push exerted on an object
• A pull exerted on an object
• Nothing
• A push or pull exerted on an object

5. With unbalanced forces, the object will move in the direction of the _______ force.

• larger
• smaller
• same
• equal

6. The force that pulls things toward earth.

• Speed
• Gravity
• Motion
• Friction

8. What famous scientist was the SI units of Force named after?

• Galileo Galilei
• Charles Darwin
• Albert Einstein
• Isaac Newton

10. __________ is the sum of all forces acting on an object. It is capable of accelerating a mass.

• Velocity
• Gravity
• Net force
• Distance

11. What is the unit of measurement for force?

• Seconds (s)
• Kilograms (kg)
• Newtons (N)
• Miles (mi)

12. You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.

• Newton´s 1st Law of Motion
• Newton´s 2nd Law of Motion
• Newton´s 3rd Law of Motion
• All the above

13. A swimmer pushes water back with her arms but her body moves forward.

• Newton´s Second Law
• Newton´s Third Law
• Newton´s First Law
• None of the above

14. What is Newtons 1st law of motion?

• Force= Mass multiplied by acceleration
• Law of gravity
• For every action there is a equal and opposite re-action.
• An object at rest stays at rest unless acted on an unbalanced force.