WorksheetsNewton's 2nd Law
Total questions: 21
Worksheet time: 25mins
Name
Class
Date
1.
What is the equation for Newton's 2nd law?
a)
a = bc
b)
F = m/a
c)
F = ma
d)
a = b/c
2.
What are the units of force?
a)
kg
b)
N
c)
m/s
d)
m/s2
3.
When mass is 10 kg, acceleration is 2 m/s/s, what is force?
F = ma
F = ma
a)
5 N
b)
20 N
c)
8 N
d)
12 N
4.
The larger the mass you have the _____ force you need to change its motion.
a)
more
b)
less
5.
As force applied to a textbook increases, what happens to its acceleration?
a)
Stays the same
b)
Increases
c)
Decreases
d)
Opens
6.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
7.
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
8.
Which of the following best describes Newton's 1st law?
a)
Objects keep doing what they are doing unless a force is applied
b)
Objects react to outside forces
c)
Unbalanced forces on an object keep it at rest
d)
More mass = more inertia
9.
True or False. An increase in mass will result in an increase in the acceleration?
a)
True
b)
False
10.
The force of a cart doubles. What happens to the cart's acceleration?
a)
It doubles
b)
It quadruples
c)
It halves
d)
It quarters
11.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3
d)
Cart 4
12.
A student leaves a pencil on a desk and it stays there until I pick it up.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
13.
Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
14.
My cat eyeballs the christmas tree and decides to apply all of his mass directly to the center of the tree. This force causes the tree to accelerate down towards the ground.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
15.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
16.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
17.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?
a)
100kg
b)
1,250kg
c)
50kg
d)
5kg
18.
This triangle is used to determine speed.
a)
True
b)
False
19.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
20.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
21.
Something with a greater mass requires a(n) _____ force to move it.
a)
greater
b)
lesser
c)
equal
d)
opposite
100 %
