# Newton's Laws Question Preview (ID: 43103)

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Practice Questions.
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**A ball is accelerating at a rate of 10 m/s2. The ball\'s mass is 5 kg. What is the net force on the ball?**

a) 2 N

b) 50 N

c) 15 N

d) 5 N

**A ball is accelerating at a rate of 5 m/s2. The net force on the ball is 20 N. According to Newton's second law of motion, what is the ball's mass? Use the formula: m = F / a.**

a) 4 kg

b) 100 kg

c) 25 kg

d) 15 kg

**Two cars the same size and shape, but weighing different amounts, were both pushed over the edge of ramps of the same length and angle. Car A weighs 1 ton; car B weighs 2 tons.**

a) Car A will accelerate faster because its lesser mass will be less affected by friction than car B.

b) Gravity will cause both cars to roll at the same acceleration despite their masses.

c) Friction will be the same for both cars, causing them to roll at the same acceleration.

d) Car B will accelerate faster because its greater mass will counteract friction more than car A.

**An owl is resting on a branch. Which statement is most accurate?**

a) The branch is supporting only half of the owl's weight.

b) The branch must weigh more than the owl to support its weight.

c) The branch is exerting an upward force on the owl.

d) Neither the branch nor the owl is affected by the force of gravity.

**An object that has more than one outside force acting on it, but the forces are balanced, then it will**

a) change direction

b) slow down

c) accelerate

d) not change its motion or direction

**Which of the below represent balanced forces?**

a) a car traveling away from a stop sign

b) a skier at a constant speed

c) a baseball going over a fence

d) rain splashing in a puddle

**Friction is a force that**

a) helps create motion

b) opposes all motion

c) exists in space

d) causes an object to fall

**Inertia describes an object tendency to**

a) accelerate

b) decelerate

c) remain at rest

d) change direction

**speed =**

a) distance + time

b) distance x time

c) distance / displacement

d) distance / time

**Newton's 1st law is also know as the law of ____________**

a) Inertia

b) Momentum

c) Mass

d) Physics

**Your garbage in the cafeteria stays under the table until YOU pick it up. Which law does this demonstrate?**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**In your uncle's car, the harder he pushes on the gas pedal, the faster the car goes. Which law does this demonstrate?**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**A soccer ball continues to roll until it hits something. Which law does this demonstrate?**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**You leave your math book on the kitchen table and it is still there when you get home from school. Which law does this demonstrate?**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**A baseball hit with a bat flies farther than a bowling ball hit with a bat. Which law does this demonstrate.**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**You are in a boat and you paddle the water back with your oar. The boat moves forward. Which law does this demonstrate?**

a) Newton's 1st Law

b) Newton's 2nd Law

c) Newton's 3rd Law

d) None of the above

**Newton's Third Law of Motion states...**

a) an object at rest will remain at rest, unless acted upon by another force.

b) the gravitational force between two objects is related to its mass and distance apart.

c) for every action there is an equal opposite reaction.

d) an object's force is related to its mass and acceleration.

**An object at rest will remain at rest and an object in motion will remain in motion describes...**

a) Newton's 1st Law of Motion

b) Newton's 2nd Law of Motion

c) Newton's 3rd Law of Motion

d) None of the above

**An object stays at rest until what happens to it?**

a) inertia releases it.

b) gravity overcomes friction.

c) friction builds up and moves the object.

d) an outside or unbalanced force acts on the object

**What is acceleration?**

a) change in velocity / change in time

b) change in distance / change in time

c) change in mass / change in volume

d) change in pressure / change in time

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