A box of textbooks is pulled to the right by a force of 10 Newtons and to the left by a force of 5 Newtons. The net force is
10 Newtons left.
10 Newtons right.
5 Newtons left.
5 Newtons right.
A kilogram is a measure of an object's
weight.
all of the above.
force.
mass.
What must happen to the net force acting on a 10 kilogram object in order to double the acceleration?
Triple the force.
Cut the force in half.
Double the force.
polish the surface.
If the net force acting on an object is zero, the acceleration is
more than zero.
less than zero.
also equal to zero.
dependent on the initial speed.
A 10 Newton falling object is encountering a 4 Newton force of air resistance. The net force acting on the object is
10 Newtons downward.
4 Newtons upward.
14 Newtons downward.
6 Newtons downward.
A 10 Newton falling object is encountering a 4 Newton force of air resistance. The acceleration of the object is
10 m/s2 downward.
14 m/s2 downward.
4 m/s2 upward.
6 m/s2 downward.
A 10 Newton falling object is encountering a 4 Newton force of air resistance. The mass of the object is
6 kilograms.
10 Newtons.
1.0 kilograms.
10 kilograms.
The weight of an object is measured in
a box.
meters.
Newtons.
kilograms.
The magnitude of the weight of a 3 kilogram mass on the surface of the earth is
.3 Newtons.
3 Newtons.
30 Newtons.
15 Newtons.
The acceleration of gravity on the moon is only 1.7 m/s2. How much would a 10 kilogram mass weigh on the moon?
100 Newtons
0 Newtons
17 Newtons
170 Newtons
What is the weight of an object on the moon if it has a weight of 200 Newtons on earth. The acceleration due to gravity on the moon is 1.7 m/s2.
200 Newtons
200 kilograms
34 Newtons
17 Newtons
According to Newton's second law, Force and acceleration are
directly related.
distant relatives.
inversely related.
hardly related.
According to Newton's second law, mass and acceleration are
directly related.
inversely related.
distant relatives.
hardly related.
This is the free-body diagram for
an object skidding to a stop, due to friction
an object being pushed while experiencing friction
freefall in a vacuum
falling with air resistance
This is the free-body diagram for
an object being pushed while experiencing friction
falling with air resistance
an object skidding to a stop, due to friction
freefall in a vacuum
This is the free-body diagram for
an object being pushed while experiencing friction
freefall in a vacuum
falling with air resistance
an object skidding to a stop, due to friction
This is the free-body diagram for
freefall in a vacuum
an object skidding to a stop, due to friction
falling with air resistance
an object being pushed while experiencing friction
A 50 kilogram box is being pushed to the right by an applied force of 200 Newtons. The friction acting on this box is at a maximum of 150 Newtons. What is the weight of this box?
50 kilograms
2oo Newtons
5oo Newtons
500 kilograms
A 50 kilogram box is being pushed to the right by an applied force of 200 Newtons. The friction acting on this box is at a maximum of 150 Newtons. What is the normal force exerted on this box by the floor?
500 kilograms up
200 Newtons up
50 kilograms up
5oo Newtons up
A 50 kilogram box is being pushed to the right by an applied force of 200 Newtons. The friction acting on this box is at a maximum of 150 Newtons. What is the net force acting on this box?
500 kilograms right
5oo Newtons right
50 Newtons right
200 Newtons right
A 50 kilogram box is being pushed to the right by an applied force of 200 Newtons. The friction acting on this box is at a maximum of 150 Newtons. What is the acceleration of this box?
50 m/s2 right
1 m/s2 right
0 m/s2 right
10 m/s2 right
A 50 kilogram box is being pushed to the right by an applied force of 100 Newtons. The friction acting on this box can be a maximum of 150 Newtons. What is the net force acting on this box?
50 Newtons to the left
50 Newtons to the right
250 Newtons to the right
0 Newtons
Which of these forces is usually larger?
static friction
they are always the same
sliding friction
Friction is caused by:
1. The interlocking of the two rubbing surfaces together.
2. Electrostatic forces between the atoms of each material.