Force & Motion Review

Allison is pushing a 70 pound box up a ramp. How does the ramp help her move the box?

• It increases the distance the box must move but decreases the force needed.

• It decreases the distance the box must move but increases the force needed.

• It increases both the distance the box must move and the force needed.

• It decreases both the distance the box must move and the force needed.

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NGSS.MS-PS2-2

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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 are the 5 types of forces?

• magnetic, air pressure, friction, pushing, pulling

• contact, pushing, pulling, air pressure, gravitational

• magnetic, friction, gravitational, electrical, contact

• friction, contact, air pressure, gravitational, pushing

Tags

NGSS.MS-PS2-3

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Choose which scenerio best explains the graph.

• Aidan ran at a steady pase for 2 hours. He then rested for 30 minutes before he began running again at an accelerated speed.

• Aidan ran for 1 hour. He then stopped for a rest for an hour before going back home.

• Aidan rested as much as he walked on this trip.

• Aidan ran a steady pase for two hours. He then rested for 30 minutes before walking the rest of the trip.

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

A moving company is trying to move a grand piano from street level to the fourth floor of a building. What simple machine will be the most effective for the job?

• inclined plane

• wedge

• pulley

• wheel and axel

Tags

NGSS.MS-PS2-1

If the man is pushing with a force of 400 N and it is an unbalanced force, which direction will the car move?

• to the right

• to the left

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NGSS.MS-PS2-2

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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

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NGSS.MS-PS2-2