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WorksheetsChapter 5 FORCES "in class"
Total questions: 21
Worksheet time: 11mins
If you double the mass of an object, what happens to its weight?
doubles
decreases by half
none of these
How do you find the "g" force on an object if you are given its mass and its weight?
multiply mass and weight
divide weight by mass
divide mass by weight
In terms of "SI units" how do you find Newtons?
multiply grams by N/kg
multiply kg by N/kg
divide kg by N/kg
divide grams by N/kg
divide N/kg by kg
Which of the following types of friction slows the motion of an object the MOST once it has begun moving?
air resistance
drag
static
rolling
sliding
How many of the types of friction listed are considered "solid"/non-fluid friction?
rolling, sliding, viscous, drag, static
1
2
3
4
In a free body diagram, which of the following is true?
there are always at least 2 forces
there are always 4 forces
normal force always opposes applied force
applied force always opposes gravitational force
Which of the following are INCORRECT opposing force pairs?
gravitational and drag
applied and gravitational
normal and applied
tension and gravitational
Which of the following is true regarding the "net" force on an object?
It may be positive or negative.
It always occurs in the net force direction.
For an object not moving it equals 0 Newtons.
It is the total of the applied and normal forces on an object.
For an object that is "at rest", the normal force causes what?
static friction
drag
air resistance
none of these
If the total force on a dog that is standing on a scale in an animal clinic is 42 Newtons and its 2 front paws are 6 Newtons each, and the third paw has has a force of 11 Newtons, what is the force on the 4th paw?
9 newtons
19 Newtons
0 Newtons
none of these
What is the mass of the dog that has a weight of 42 Newtons?
4.3 g
411 g
411 kg
4.3 kg
How many pounds does the same dog weigh if it has a weight of 42 Newtons?
(1 pound = 0.45 kg)
93.3
9.5
19.5
18.9
If you weigh 145 pounds and your backpack weighs 15.2 pounds, is it within the accepted range?
yes
no
If you weigh 145 pounds and your backpack weighs 15.2 pounds, what is the force on your back caused by your backpack?
1 kg = 2.2 pounds
68 Newtons
646 Newtons
328 Newtons
How many of the following 9 would DECREASE/slow the motion of an object?
ice, snow, sand, rubber, smaller surface area, increased mass, smoother surface/s, wax, graphite
3
4
5
6
What is the "g" force on a new planet if your weight on the new planet is 1,051 Newtons and your mass is 72 kilograms AND is the planet larger or smaller in mass and diameter than Earth?
17.5, larger
17.5, smaller
14.6, larger
14.6, smaller
Which of the following is true?
If an object is moving at constant speed, all of the forces on the object are equal.
If an object is at rest, all of the forces acting on the object are equal.
If an object is not accelerating, all of the opposing forces are balanced.
If an object is at rest, there are no forces acting on the object.
For an object to remain at constant speed or at rest, all of the forces must be ________________.
0 Newtons
equal
balanced
acting in the same direction
If you were going to draw a Free-Body Diagram of a person using cleats to stop prior to turning in a different direction, which force would be the largest?
Kinetic
Gravitational
Normal
Frictional
How many forces are there on a falling object and which ones?
2, gravitational and frictional
2, gravitational and normal
2, gravitational and applied
1, gravitational
What is a required condition for an object to have a normal force?
an equal gravitational force
to also have an applied force
touching a surface
to also have a frictional force
