WorksheetsForce + Motion
Total questions: 15
Worksheet time: 44mins
Name
Class
Date
1.
a)
a
b)
b
c)
c
d)
d
2.
a)
a
b)
b
c)
c
d)
d
3.
a)
a
b)
b
c)
c
d)
d
4.
1. A rope is attached to a block that has a weight of 120 N. When the rope exerts an upward force of 250 N on the block, what is the net force on the block?
a)
370 N down
b)
370 N up
c)
130 N down
d)
130 N up
5.
1. A car is parked on a flat driveway. Which of the following is a free-body diagram for this car?
a)
a
b)
b
c)
c
d)
d
6.
1. Four students push on a block of wood with the forces shown in the diagram below. Assume friction is negligible.The block slides horizontally. What is the net force acting on the block of wood?
a)
3 N to the left
b)
8 N to the left
c)
11 N to the right
d)
25 N to the right
7.
1. According to Newton’s law of universal gravitation, in which of the following situations does the gravitational attraction between two objects always increase?
a)
The masses increase, and the distance between the centers of mass increases.
b)
The masses increase, and the distance between the centers of mass decreases.
c)
The masses decrease, and the distance between the centers of mass increases.
d)
The masses decrease, and the distance between the centers of mass decreases.
8.
1. A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity. When these two forces become equal in magnitude, the ball will
a)
flatten due to the forces.
b)
fall at a constant speed.
c)
continue to speed up.
d)
slow to a stop.
9.
1. Which two factors determine the gravitational attraction between two objects?
a)
time and temperature
b)
shape and orbital speed
c)
color and texture
d)
mass and distance from the objects’ centers of mass
10.
10. The diagram below shows a spinning water sprinkler. Water comes through a hose and is sprayed by the sprinkler.Which principle best explains why the sprinkler spins?
a)
Every action has an equal and opposite reaction.
b)
Solid substances are usually denser than liquid substances.
c)
. Energy is released when water condenses.
d)
Most substances expand when heated and contract when cooled.
11.
10. An astronaut is making repairs on a satellite in space. The astronaut bumps against the satellite, causing a part to break off. Which statement describes the motion of the part after it breaks off the satellite?
a)
The part will immediately stop moving when a force is no longer acting on it.
b)
The part will accelerate along a straight path until it is acted upon by another force.
c)
The part will move at a constant speed along a straight path until it is acted upon by another force.
d)
The part will move a short distance until it gradually comes to a stop as its inertia decreases.
12.
10. A student placed a stuffed animal on the dashboard of a car. When the car accelerated quickly, the stuffed animal flew back onto the seat. Which principle BEST describes the motion of the stuffed animal as the car accelerated?
a)
gravity
b)
inertia
c)
momentum
d)
speed
13.
What is the distance traveled by the object in 30s?
a)
20m
b)
80m
c)
40m
d)
58m
14.
The graph below shows the motion of four different bicyclists during a one-hour bicycle ride. Based on the graph, which bicyclist traveled at a constant speed during the entire ride?
a)
R
b)
S
c)
T
d)
U
15.
Which of the following examples demonstrates velocity?
a)
a 10.0 kg object
b)
a truck that traveled 12.5 m
c)
a 3.5 kg object moving at 1.5 m/s
d)
a car moving northeast at 90 km/hr
100 %
