Force and Motion TC

Which would be used to describe how fast an object is moving?

• energy

• force

• mass

• speed

Tags

NGSS.MS-PS3-1

Which is harder to stop - an 18 wheeler or a motorcycle?

• motorcycle
• 18 wheeler

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which scientist gave us the laws of motion?

• George Washington
• John Adams
• Sir Isaac Newton

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What is the meaning of acceleration?

• any change in the speed or direction of an object
• where an object is located
• the pull of gravity on an object

______________________ is any push or pull on an object.

• Force
• Mass
• Gravity
• Air Resistance

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The force that pulls all objects toward Earth is called_____.

• movement

• free fall

• gravity

• acceleration

Tags

NGSS.5-PS2-1

Which of the following is NOT an example of Friction

• Hand rubbing together

• pulling back a rubber band

• using sandpaper to smooth a table

• brakes on a car

What happens when two unequal forces push an object in the same direction?

• The forces add together. The causes the object to move in the direction of the force.

• Some of the engery of motion of the two objects is converted into heat.

• The forces subtract from each other and the object will not move as much.

• The object will not move at all.

Tags

NGSS.MS-PS2-2

Jamie is going skiing. He waxes the bottom of his skis to get ready. How does waxing the skis help him?

• helps the skier stand up

• increases the friction with the snow

• decreases the friction with the snow

• it keeps the skis clean

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement