# Chapter 3/4 Test Review Game: Question Preview (ID: 27608)

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**If two people are pushing on a vehicle from one end and each person is pushing with a force of 400N, what is the net force? (hint: Add)**

a) 400N

b) 0N

c) 1N

d) 800N

**A _________ force causes change in an object's motion. These are forces that are NOT equal. Example: Soccer player kicking a soccer ball.**

a) motion

b) unbalanced

c) balanced

d) magnitude

**When an objects position changes relative to another object.**

a) Friction

b) Force

c) Motion

d) Acceleration

**The overall force acting on an object when all the individual forces acting on it are added together.**

a) Motion

b) Net Force

c) Power

d) Friction

**A change in velocity due to changes in direction and speed.**

a) Acceleration

b) Velocity

c) Speed

d)

**A man hits a golf ball (0.2 kg) which accelerates at a rate of 20 m/s ^ 2. What amount of force acted on the ball? (hint: Force=Mass X Acceleration)**

a) 4 m

b) 4 seconds

c) 4 m/s

d) 4 N

**The number of times a machine increases a force exerted on it. The ratio of output force to input force.**

a) Mechanical Advantage

b) Input force

c) Output force

d) Wheel and axle

**A simple machine made of a grooved wheel with a rope or cable wrapped around it.**

a) Pulley

b) Lever

c) Fulcrum

d) Wheel and Axle

**A machine that combines two or more simple machines.**

a) Wheel and Axle

b) Compound Machine

c) Simple Machine

d) Lever

**Anytime you exert a force on an object that causes the object to move some distance.**

a) Joule

b) Work

c) Force

d) Weight

**The most basic device for making work easier. Examples are: Inclined plane**

a) Compound Machine

b) Simple Machine

c)

d)

**What is a push or a pull exerted on an object called?**

a) Joule

b) Newton

c) Force

d)

**John rides his bike 20 miles to the grocery store. It takes him 4 hours to reach his destination. What is his average speed?**

a) 2 mph

b) 4 mph

c) 7 mph

d) 5 mph

**Calculate the speed of a bus that travels a distance of 680 miles over a 12 hour period.**

a) 66.7mph

b) 12.7mph

c) 56.7mph

d) 55.7mph

**Jessie is driving to his grandma's house this weekend. If he traveled 300 miles and it took him 4.5 hours to get there, what was his average speed? (Speed=Distance/Time)**

a) 40.7 mph

b) 66.7 mph

c) 60.7 mph

d) 66.7 m/s

**When a spring is stretched it has ___________ energy.**

a) Potential

b) Kinetic

c) Thermal

d)

**The unit of measurement for force is the _________.**

a) kilogram

b) watt

c) joule

d) newton

**A roller coaster going down the first big hill of a roller coaster is an example of energy going from __________ to _________.**

a) kinetic to potential

b) potential to kinetic

c)

d)

**If two people are on opposite sides of the vehicle and each person is pushing with a force of 400N, what is the net force? (hint: subtract-The forces are balanced)**

a) 1N

b) 400N

c) 800N

d) 0

**They cancel each other out, therefore they have no effect on motion. Ex: Students sitting in the desk-remember that gravity is pulling them down, but the desk is keeping them up, therefore they are not moving.**

a) Unbalanced forces

b) Balanced forces

c)

d)

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