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Unit 2: Newton's 2nd Law Calculations (F=ma)

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Section 1

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Force = mass x acceleration

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Physics

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Date created

Mar 1, 2020

Cards (40)

Section 1

(40 cards)

Force = mass x acceleration

Front

What is the equation for force?

Back

Force = Mass x Acceleration.

Front

What is Newton's Second Law?

Back

Mass = Force ÷ acceleration

Front

What is the equation for mass in a force problem?

Back

4 N

Front

A man hits a golf ball (0.2 kg) which accelerates at a rate of 20 m/s2. What amount of force acted on the ball?

Back

An object at rest stays at rest and an object in motion stays in motion unless an outside force acts on it.

Front

What is Newton's First Law of Inertia?

Back

88.2 N

Front

A worker drops his hammer off the roof of a house. The hammer has a mass of 9 kg, and gravity it at the usual rate of 9.8 m/s2. How much force does the earth apply to the hammer?

Back

90 N

Front

You give a shopping cart a shove down the aisle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 5 m/s2. How much force did you exert on the cart?

Back

1 m/s2

Front

Find the acceleration of an object with 1 kg and 1 N.

Back

50 m/s2

Front

What is the acceleration of a volley ball if it has a mass of 0.5 kg and it is hit with a force of 25 N?

Back

5,000 N

Front

Mr. Gonzalez has a car that accelerates at 5 m/s2. If the car has a mass of 1000 kg, how much force does the car produce?

Back

30 N

Front

A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?

Back

Every action has an equal and opposite reaction.

Front

What is Newton's Third Law?

Back

20 kg

Front

A football player throws a football 30 meters/second2 using 600 Newtons of force. What was the mass of the football?

Back

meters/second2 (m/s2)

Front

What is the unit for acceleration?

Back

4 m/s2

Front

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object

Back

200 N

Front

Nabil pushes Monica sitting on a swing. She has a mass of 50 kg and accelerates at a rate of 4 m/s2. Find the force you exerted.

Back

132 N

Front

How much force is needed to accelerate a 66 kg skier at 2 m/sec2?

Back

2,800 kg

Front

What is the mass of a truck if it produces a force of 14,000 N while accelerating at a rate of 5 m/s2?

Back

10 m/s2

Front

What is the acceleration of a 50 kg object pushed with a force of 500 Newtons?

Back

1,200 N

Front

An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required to produce this acceleration.

Back

190 kg

Front

Find the mass of an object with 2700 N and 15 m/s2.

Back

4 m/s2

Front

If a 60 kg Kyle on a 15 kg go-cart is pushed with a force of 300 N, what will be Samantha's acceleration?

Back

3,000 N

Front

The mass of a large car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/sec2?

Back

24 N

Front

Find the force of an object with 8 kg and 3 m/s2

Back

2 N

Front

Find the force of an object with 5 kg and 0.4 m/s2.

Back

33.33 kg

Front

Miguel uses 3000 Newtons to push Edwin in a wheel chair. Edwin accelerates at 90 m/sec2 before knocking down a group of kinder students. What is the mass of Edwin and the wheelchair?

Back

10 kg

Front

Find the mass of an object with 10 N and 1 m/s2.

Back

280 N

Front

How much force would it take to push Ms. Edmonds, who has a mass of 70 m kg to accelerate at 4 m/s2?

Back

125 N

Front

The wind pushes a paper cup along the sand at the beach. The cup has a mass of 25 kg and accelerates at a rate of 5 m/s2. How much force did you exert on the cart?

Back

2.5 m/s2

Front

Ms. Villarreal has a car with a mass of 2000 kg. Her car produces a force of 5000 N. How fast will it accelerate?

Back

6,000 N

Front

What net force is required to accelerate a car at a rate of 2 m/s2 if the car has a mass of 3,000 kg?

Back

Kilograms (kg)

Front

What is the unit for mass?

Back

50 kg

Front

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

Back

10 kg

Front

Find the mass of an object with 17 N and an acceleration of 1.7 m/s2.

Back

20 m/s2

Front

Find the acceleration of an object with 4 N and 0.2 kg.

Back

15 kg

Front

A rock falls off of a cliff at 9.8 m/s2. What is the mass of the rock if the fall produces a force of 147 N?

Back

Acceleration = Force ÷ mass

Front

What is the equation for acceleration in a force problem?

Back

250 m/s2

Front

Find the acceleration of an object with 250 N and 20 kg.

Back

9,800 N

Front

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2?

Back

Newtons (N)

Front

What is the unit for force?

Back