Worksheets1104 Forces Test Review
Total questions: 29
Worksheet time: 15mins
Which of the following represents a force?
5 N
5 N kg
5 m/s/s
5 kg m/s
The inertia an object has depends on its _____.
shape
volume
mass
displacement
The letter _____ is used to designate the acceleration due to gravity on earth.
g
F
t
G
A 10-N force and a 30-N force act on an object in opposite directions. What is the net force on the object?
20 N
10 N
40 N
30 N
An object is traveling across a horizontal surface at a constant velocity. Therefore it will have
no acceleration
no weight
no mass
no velocity
Compared to its mass on Earth, the mass of an object on the Moon is
not enough information
the same
more
less
An object will stay in motion or stay at rest unless a force acts on it. This is
Newton's First Law
Newton's Second Law
Newton's Law of Gravitation
Newton's Third Law
If the force on a cart is doubled, what happens to the acceleration of the cart?
stays the same
doubles
half as much
4 times as much
When one object exerts a force on a second object, the second object exerts an equal force on the first object but in the opposite direction. This is
Newton's Third Law
Newton's Law of Gravitation
Newton's Second Law
Newton's First Law
The gravitational force, Fw or Fg, exerted on you by the Earth is usually called your ___.
acceleration
gravity
mass
weight
What type of force occurs when an object is suspended by a rope or cable?
tension
friction
applied
normal
The force that acts parallel when two surfaces rub together is
applied
normal
friction
tension
What is the force of a surface on an object (acts perpendicular to surface)?
tension
applied
friction
normal
Which of these diagrams represents the forces on an object at rest on an incline?
The law of inertia applies to __________.
both objects in motion and objects at rest.
no objects.
objects at rest.
objects in motion.
After a cannon ball is fired into space, the amount of force needed to keep it going equals __________.
zero, since no force is necessary to keep it moving.
the same amount of force with which it was fired.
one half the force with which it was fired.
twice the force with which it was fired.
The mass of a dog that weighs 100 N is about __________.
100 kg
none of these
10 kg
1000 kg
The acceleration produced by a net force on an object is __________.
directly proportional to the magnitude of the net force.
inversely proportional to the mass of the object.
in the same direction as the net force.
all three other options are true.
An object that experiences positive acceleration has a net force that is__________.
negative
positive
not enough information to determine
zero
A block is dragged at constant velocity by a force of 6 N. What is the frictional force between the block and the surface?
less than 6 N
need more information to say
more than 6 N
6 N
A high school student hits a nail with a hammer. During the collision, there is a force __________.
on the nail but not on the hammer.
on the hammer but not on the nail.
on neither the nail nor the hammer.
on the nail and also on the hammer.
Forces always occur __________.
by themselves.
in triplets.
as single quantities.
in pairs.
A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. What is the reaction to this force?
friction of the ground against the player's shoes
the player's grip on the glove
the force the glove exerts on the ball
none of the above
According to Newton's third law, if you push gently on something, it will push __________.
gently on you.
gently on something else.
on you only if you aren't moving.
on something only under the right conditions.
Tension refers to
dynamic displacement.
the force exerted by a string.
terminal velocity.
free fall.
The static friction force is
the force needed to keep an object moving at a constant velocity across a surface.
equal to the net force.
the minimum force required to overcome static friction and move an object.
the force needed to bring an object to rest.
For the following question develop a Free Body Diagram to represent the forces acting on an object
Joe pushes a crate to the left with 100N of force and Rob pushes to the right with 125 N of force. What specifically is happening to the crate?
The crate is not moving.
The crate is moving left at a constant speed.
The crate is moving to the left and speeding up.
The crate is moving to the right and speeding up.
A 0.2 kg baseball is struck with a force of 100 N from a baseball bat. What will be the acceleration of the ball while it is in contact with the bat?
.002 m/s/s
500 m/s/s
20 m/s/s
5000 m/s/s
A classmate is attempting to draw a free body diagram for a box being pushed across the floor at a constant speed. The image below is what they have drawn so far. Which (if any) of their forces have been drawn incorrectly?
There is nothing wrong with the free body diagram.
The friction force should be in the same direction as the applied force.
The normal force should be larger than the force of gravity.
The applied force should be the same size as the friction force.
