Force & Motion Review

Which statement is a correct explanation for balanced forces acting on an object?

• The speed of the object decreases.

• The direction of the object changes.

• The speed of the object increases.

• The motion of the object stays the same.

What unit of measuremen t do we use for force?

• Inches

• Meters

• Newtons

• Seconds

What unit of measuremen t do we use for force?

• Inches

• Meters

• Newtons

• Seconds

A bus traveled 200 kilometers between two cities. It left the first town at 3:00pm and arrived in the second town at 7:00pm. What was the average speed of the car on this trip?

• 20 km/h

• 60 km/h

• 50 m/s

• 50 km/h

Calculate the Net Force:

50 N to the right and 100 N to the left

• 150 N to the left

• 150 N to the right

• 50 N to the left

• 50 N to the right

Tags

NGSS.MS-PS2-2

When forces are going in the same direction, to calculate Net Force, you

• add

• subtract

• multiply

• divide

Tags

NGSS.MS-PS2-2

When forces are going in the opposite directions or towards each other, to calculate Net force, you

• add

• subtract

• multiply

• divide

Tags

NGSS.MS-PS2-2

What is the formula to calculate speed?

• speed x time

• distance x time

• distance /time

• time/distance

Tags

NGSS.MS-PS3-1

When the Net force is 0, which way will the object move?

• to the right

• to the left

• it will not move in either direction

Ruben slides a book across the floor. Eventually, the book will stop moving. What force causes the book to come to rest?

• friction

• gravity

• magnetism

• push

Tags

NGSS.MS-PS2-2