Forces/Motion Question Preview (ID: 37613)


Review Our Forces And Motion Unit. TEACHERS: click here for quick copy question ID numbers.

A vector is a quantity that has
a) speed
b) acceleration
c) size and direction
d) position and distance

Esmeralda walked 2 km in half an hour. What was her average speed
a) 1 km/h
b) 2km/h
c) 4km/h
d) 6km/h

A ball kicked into the air will have the greatest potential energy
a) As it is being kicked
b) As it starts rising
c) At it's highest point
d) As it hits the ground

If you balance a book on your head, you are not doing work on the book because
a) Doing work requires moving an object
b) You aren't applying any force to the book
c) The book is doing work on you
d) The book has potential energy

Solo pulls a box with a force of 4N and Charles pulls the box from the opposite side with a force of 3N. Which of the following is true?
a) The box moves toward Solo
b) The box towards Charles
c) The box doesn't move
d) There is not enough information

An action force and its reaction force are
a) equal in size and direction
b) equal in size and opposite in direction
c) different in size but in the same direction
d) different in size and in direction

What units are used to measure force
a) kilograms
b) meters
c) newtons
d) seconds

A position describes an objects location compared to
a) It's motion
b) A reference point
c) It's speed
d) A vector

Newton's second law states that to increase acceleration you
a) increase force
b) decrease force
c) increase mass
d) increase inertia

Madisyn and Talia run with the same constant speed but in opposite directions. The girls have
a) the same position
b) different accelerations
c) different speeds
d) different velocities

Machines help you work by
a) decreasing the amount of work that must be done
b) changing the size and/or the direction of a force
c) decreasing friction
d) conserving energy

You can increase a machines efficiency by
a) increasing force
b) reducing work
c) increasing distance
d) reducing friction

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