Forces Quiz

Which example increases pressure?

• A drawing pin

• Snowshoes

• A long level

Average acceleration units are:

• m/s squared

• m/s

• distance/time

• really fast

Write the equation for calculating Newtons when needing to move a 50kg suitcase

• 50 kg (9.8N/kg)

• 50kg (98N/kg)

• 50kg (45N)

• 50kg (5kg)

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Why does simplifying 49N/5kg into 9.8N/kg work? Select the best answer

• why deal with 5kg when you can deal with one

• because decimals are better

• the calculated fraction can be multiplied by any given amount of kg

• it just is

What is the ratio 45N/5kg equal to?

• 9.8N/5kg

• 98N/5kg

• 98N/kg

• 9.8 N/kg

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Taylor Swift releases 225kg of confetti during her concert. What equation would you use to solve for the Newtons needed to move that amount of confetti?

• 225 kg (45N)

• 225kg / 9.8N/kg

• 225kg (9.8N/kg)

• 225kg (45kg/5N)

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Every action has an ____________ reaction

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equal and opposite of part of Newton's

• third law

• second law

• first law

• introduction in Principia

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A car moves along a level road.

The diagram shows all of the horizontal forces acting on the car.

Which statement is correct?

• The car is slowing down.

• The car is speeding up.

• The car is moving at a constant speed.

• The car is moving backwards.

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Which force and distance produce the smallest moment about a pivot?

• a 6.0 N force at a perpendicular distance of 4.0m from the pivot

• a 7.0 N force at a perpendicular distance of 6.0 m from the pivot.

• a 10 N force at a perpendicular distance of 4.0 m from the pivot

• a 12 N force at a perpendicular distance of 3.0 m from the pivot.