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, Reggie is pulling his little sister and dog across the snow the ground pushing upward on the sled, the pulling force Reggie exerts on the sled,
on a sled. Which of the following forces should be drawn in the downward force of gravity on the sled, the friction that slows the sled down
the free body diagram of this situation? (Choose all that
apply)
Which of the following are examples of field forces? gravitational force, magnetic forces, static electricity
(Choose all that apply)
Two people are pushing a 985-kilogram car. One person 314N
applies a force of +209 N to the car, while the other person
applies +289 N, in the same direction. A third force −184 N
(friction) acts opposite these forces. What is the net force
on the car?
A woman is standing on a raft. Paddling, she causes an 22.7N at 41.4° N of E
average force of 17.0 N to be applied to the raft directly
east. The wind also exerts a force on the raft. This force
has a magnitude of 15.0 N and points directly north.
Ignoring any resistance from the water, find the net force
on the raft.
A crate on a construction site has a two forces acting on it. 4700N upward
The downward pull of gravity exerts a force of 65,500 N,
while a crane exerts an upward force of 70,200 N. What is
the net force on the crate?
Which of the following statements best describes what a A push or pull that causes an object to accelerate.
force is?
Examine the free body diagram shown above. What is the 21N
magnitude of the net force on this object?
A 2-kg toy truck is traveling eastward with a constant 0N
velocity of 5 m/s, what is the net external force acting on
the car?
As part of a contest, two people are each pulling a 1370-kg 49N to the left
car towards themselves. One person applies a 1156-N
force to the right, while the other person applies a 1205-N
force towards the left. What is the net force on the car?
Shonda is driving down the road. The force of gravity is There is zero net force.
pulling her car downward with 17,000 N, and the ground is
pushing upward with 17,000 N. Her car is producing a
forward force of 880 N, and the air resistance is producing
an 880 N force in the opposite direction. Which statement
describes the net force on Shonda's car at this moment?
Helena and Bryce are pushing a filing cabinet to a new 45 N north
location. The filing cabinet weighs 800 N, and the floor
pushes up with a force of 800 N. Helena is pushing north
with a force of 135 N, Bryce is pushing north with a force of
120 N, and the force of friction is pushing southward with a
force of 210 N. What is the net force on the filing cabinet?
According to Newton's first law of motion, what condition is an unbalanced force
required for an object to change speed or direction?