Physics Unit 2 Blitz

What would the average speed in kph of a horse and rider be if they cover a total distance of 14 km (remember the trail is winding) in 249 minutes?

I

• 33 kph

• 3.37 kph

• 23 kps

• 3.4 kps

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NGSS.MS-PS3-1

At point B, the racecar's velocity is changing, which is called _____.

• acceleration

• density

• speed

• force

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NGSS.MS-PS2-2

NGSS.MS-PS3-5

C is pushing down on the block due to  the force of_____ .

• normal

• applied

• gravity (weight)

• friction

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

The race car's engine provided a(n) _____ to make the race car move.

• escape

• force

• motion

• gravitation

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

The block will be put in motion if Force A is greater than _____.

• Force C

• all of these

• Force D

• Force B

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NGSS.MS-PS2-2

Point E is the finish line. If you divide the distance the race car was driven during the race by the change in time, you could compute the _____ speed.

• average

• instantaneous

• sectional

• fractional

Tags

NGSS.MS-PS3-1

The sum of all the forces on the block is called ______.

• normal

• friction

• net

• applied

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

If the horse and rider have a combined mass of 572 kg, what force would be required to accelerate them 5 kph per second? Assume there is no friction. You will need to convert kph/sec to m/s².

• F = 1431 N

• F = 60 kg

• F = 12 kg

• F = 795 N

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NGSS.MS-PS2-2

B is force of _____, which opposes the applied force.

• friction

• normal

• applied

• gravitation (weight)

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NGSS.MS-PS2-2

At point A, Racecar 3 was not going anywhere due to _____ .

• acceleration

• gravitation

• motion

• inertia

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NGSS.MS-PS2-2