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Conceptual 6-1(A)

Last updated about 3 years ago

6 Nsɛmmisa

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3

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1.

Categorize ALL of the following scenarios/definitions:

Force and displacement in the same direction
Force and displacement in opposite direcions
Force but no displacement
Pushing a grocery cart forward
Brakes using friction to slow down a bike
Holding a plank

Positive Work
Negative Work
Zero Work

A 2kg object is sitting stationary on frictionless ice, and a 35 N force is applied to push it, which results in the object moving 4 meters.

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2

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2.

How much work is done?

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1

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3.

What is the KE of the object before the push?

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1

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2

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1

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4.

What is the KE of the object after the push?

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5.

How fast is the object moving after the push?

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6.

Fill in the energy diagram: