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WorksheetsWork Power Force and Motion
Total questions: 14
Worksheet time: 11mins
Name
Class
Date
1.
All forces have______
a)
joules
b)
size and direction
c)
height
d)
weight
2.
True or false: At the peak of the lift hill, a rollercoaster car has more potential energy than any other form of energy.
a)
True
b)
False
3.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
4.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
5.
The gravitational force of any object near Earth's surface is ____.
a)
unknown
b)
friction
c)
Newton's first law
d)
9.8 m/s2
6.
When the net force is zero, the forces on an object are balanced. True or false.
a)
true
b)
false
7.
What must occur to a shopping cart at rest in order to make it roll forward?
a)
A force must be provided to overcome gravity.
b)
Balanced forces must be acting on the cart.
c)
An unbalanced force applied to the cart pushing or pulling it forward.
d)
The unbalanced force acting upon it must be smaller than that of friction.
8.
For every action there is an equal and opposite reaction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
9.
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
d)
None of them
10.
A rocket is sent into space. When the power dies out, the rocket will just keep floating and moving in space forever (unless an unbalanced force, such as a meteor, runs into it).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
11.
What is the unit used to measure force?
a)
Pounds
b)
Grams
c)
Newtons
d)
kg/ m2
12.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
13.
What type of energy is caused by an object’s vibration?
a)
Electrical
b)
Sound
c)
Thermal
d)
Light
14.
How much work is done by a motor that lifts a train car on El Toro to the top of a 70-meter hill using a force of 15,000 N?
a)
1,000,000 J
b)
214.29 J
c)
1,050,000 J
d)
105,000 J
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