Speed and Force Gravity and Acceleration Labs Simple Machines Buoyancy

100

What is 35 Newtons?
The amount of force exerted if a 5kg weight is liftes and accelerates at 7m/sec2.

100

What is 12.8km/hr2 E?
The acceleration of a driver who starts his parked car and within 5 seconds reaches a velocity of 64km/hr as he travels east.

100

What is true?
(True/False) Whether the work stayed the same throughout the experiment in the Stair Lab.

100

What is 15N?
The EF needed if a lever has a de of 125 cm and a dr of 25 cm and the RF is 75N.

100

What is 720?
The total weight in grams an 800g brass weight weighs in 500 mL of water.

200

What is 13,000 seconds?
The amount of time it would take a slug to travel 481 kilometers if it was moving at a speed of 37 meters per second. (in seconds)

200

What is 4,444.44lbs?
The mass of a baby elephant who falls out of an airplane accelerating downwards at 10m/sec2, and who by 2.7 seconds of freefall had a momentum of 1.2x(10 to the fifth power)lbs x m/sec.

200

What is surface area, force/weight, and texture?
The variables that were implemented in the Friction Lab.

200

What is 12 meters?
The length of a ramp when an elephant weighs 8500 N and is pushed up the ramp 3 m high with a force of 2125N.

200

What is 40g?
The weight of the displaced water when a weight that was 300g weighed only 260 g underwater.

300

What is North?
The direction the two players would fall in the following situation: a 90 kg linebacker was running 5m/sec North and collided with a 120kg tight end who was only running 3m/sec South.

300

What is 117.6m/sec down in velocity amd 705.6 meters in distance?
The distance and velocity a skydiver reaches in 12 seconds of freefall.

300

What is fluid, rolling, and sliding?
The order of the three types of friction tested in Friction Lab 2 from the least force-preventative to the most.

300

What is 16?
The IMA of a steering wheel whose wheel has a radius of 48 cm and whose axle a diameter of 6cm.

300

What is false?
(True/False) When you change the shape of an obeject, you also change its buoyant force.

400

What is constant speed?
What a straight horizontal line in a v/t graph represents.

400

What is 0.59 Horsepower?
The horsepower needed when an weighs 5kg and accelerates at 3.2 m/sec E for 5km and does it in 3 minutes.

400

What is second class lever?
The type of lever made in the Lever Lab where the weight was between the area where the ruler pivoted and where you pulled with the spring scale.

400

What is 89.29%?
The efficiency of a ramp that is 70 cm long, 10 cm tall, and carries a load 250N with an effort force of just 40N.

400

What is Archimedes' Principle?
The name of the science principle that explains about water displacement and buoyancy.

500

What is 384,000 Joules and 213.33 Watts?
The amount of work done if a 15kg mass accelerates at 3.2 m/sec2 E for 8 km and how much power is used if it accelerates for 1/2 an hour. (Joules and Watts)

500

What is -80 km/sec2 W?
The acceleration of an airplane that flies at a velocity of 560 km/sec W at 3:02 then slows to a velocity of 20 km/sec W at 3:06.

500

What is fell?
Whether the water level in a beaker rose/fell/stayed the same from when the pennies were in the cup to when the pennies were in the beaker water in the Buoyancy Lab 4.

500

What is 720N?
The amount an object weighed if a a lever with a de of 440cm and a dr of 55cm lifted it up with 90 N.

500

What is Bernoulli's Principle?
*Bonus* The principle that states that "fluids that are moving quickly have less pressure than their surrounding fluids."

TEST REVIEW

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