Science 8 - 1st Quarterly Assessment

What is defined as a push or pull?

• Force

• Normal Force

• Gravity

• Tension

What are the effects of force?

• Magnitude and Speed

• Speed and direction

• Magnitude and Space

• Motion and Space

What force brings the apple down from the tree?

• Force

• Weight

• Mass

• Tension

The apple is on the table, what is the direction of normal force?

• Parallel

• Perpendicular

• Vertical

• Horizontal

What force will make a car in rest move?

• Balance Force

• Normal

• Unbalance Force

• Acceleration

Which of the following is NOT included in Non-Contact Force?

• Gravitational Force

• Frictional Force

• Electrostatic Force

• Magnetic Force

If you exert a force on the wall, how much force did the wall exert back at you?

• Unbalance but nothing reaction

• An equal but the same reaction

• Unbalance but opposite reaction

• An equal but opposite reaction

Tom saw a toy car on the table and pushes it forward. What will happen to the car?

• An outside force must act upon it and make it move

• The mass of the object must be increased

• The weight of the object must decrease

• All forces acting on the object must be balanced

Who developed the three laws of motion?

• Galileo Galilei

• Heinrich Hertz

• Isaac Newton

• Guglielmo Marconi

Find the net force in each of the following. State the direction of the object.