CHAPTER 3 TEST SIMPLE MACHINES
Jan 07, 2016
CHAPTER 3 TEST
SIMPLE MACHINES
A.power
B.wedge
C.work
D.mechanical advantage
E.efficiency
F.screw
G.wheel and axle
H.pulley
I.inclined plane
Matching: On your answer sheet, put the correct letter in the space provided.
1. a simple machine made up of a grooved wheel with a rope or cablewrapped around it.
2. the transfer of energy to an object by a force that makes an object move in the direction of the force
3. a sloped surface that moves4. the rate at which work is done5. the ratio of the output force exerted to
the input force applied6. the ratio of the output work to the
input work7. an inclined plane wrapped around a
cylinder8. a flat, sloped surface
MULTIPLE CHOICE
FOR THE FOLLOWING PROBLEMS, PUT THE CORRECT LETTER IN THE SPACE
PROVIDED.
FOR BONUS, WRITE THE SCHOOL THEME FOR THIS YEAR UNDER YOUR NAME ON THE ANSWER
SHEET
QUESTION 9
Which distance do you measure to determine how much work was done on an object that has been moved?
A. vertical distanceB.horizontal distanceC.all distance against gravityD. distance in the direction of motion
A rake makes doing work easier by changing theA. size of the force.B. distance a force acts.C.direction of the force.D. amount of work required
QUESTION 10
Which factor always causes the output work of a machine to be less than the input work?A.gravityB.fatigueC. frictionD.distance
QUESTION 11
How is the energy of an object affected after work is done on it?A.Energy is increased.B.Energy is decreased.C.Energy remains the same.
QUESTION 12
Which machine works by changing the direction of a force?A.a rakeB.a pulleyC.a screwdriver
QUESTION 13
Which statement describes the relationship between input work and output work using a machine?A. Input work is always equal to output work.B. Input work is always less than output work.C. Input work is always greater than output work
QUESTION 14
Which two factors are used to calculate work?A.speed and timeB.force and speedC. time and distanceD.distance and force
QUESTION 15
Which option is NOT a way that machines can make work easier?A. Increase the total energy.B. Change the size of a force.C. Change the direction of a force.D. Increase the distance a force acts.
QUESTION 16
17 Simple machines are tools that make work easier.18 Simple machines have many complex parts.19 Simple machines require no energy to do work.20 Simple machines do work with one movement.21 Simple machines give us an advantage by changing the amount, speed or direction of forces.22 Simple machines require a much greater force to overcome a smaller force.
True or False. Put T (true) or F (false) in the space provided on your answer sheet
IDENTIFYING SIMPLE MACHINES
PUT THE CORRECT NAME OF THE SIMPLE MACHINE IN THE SPACE
PROVIDED
QUESTION 23
QUESTION 24
QUESTION 25
QUESTION 26
QUESTION 27
QUESTION 28
QUESTION 29
QUESTION 30
QUESTION 31NOT THE CART WITH WHEELS
QUESTION 32
QUESTION 33
QUESTION 34
QUESTION 35
QUESTION 36
QUESTION 37
QUESTION 38
QUESTION 39WHAT 2 SIMPLE MACHINES CAN BE SEEN BELOW
QUESTION 40LIST AS MANY SIMPLE MACHINES AS YOU CAN. BE SURE TO EXPLAIN WHERE EACH CAN BE FOUND ON THE BICYCLE
TURN IN YOUR ANSWER SHEET AND EXIT OUT OF THIS TEST