
Physics Concepts for Grade 7

Quiz
•
Others
•
7th Grade
•
Hard
Steven Lase24
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Newton's First Law of Motion?
An object will accelerate indefinitely without any force.
An object will change its direction only when a force is applied.
An object will only move if a force is applied continuously.
An object will remain at rest or in uniform motion unless acted upon by an external force.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain Newton's Second Law of Motion with an example.
Newton's Second Law states that energy is conserved in a closed system.
Newton's Second Law describes the relationship between velocity and time.
An example of Newton's Second Law is a ball rolling down a hill without any force acting on it.
Newton's Second Law of Motion is F = ma, where F is force, m is mass, and a is acceleration.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Newton's Third Law of Motion state?
For every action, there is a proportional reaction.
For every action, there is an equal and opposite reaction.
The force of an object is equal to its mass times its velocity.
An object in motion stays in motion unless acted upon by a force.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define work in terms of physics.
Work is the product of force and distance in the direction of the force.
Work is the total mass of an object multiplied by its velocity.
Work is the energy stored in an object.
Work is the rate of doing energy.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is energy related to work?
Work is the absence of energy.
Energy cannot be converted into work.
Energy is the same as mass.
Energy is the capacity to do work.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating kinetic energy?
KE = m * v
KE = 0.5 * m * v
KE = m * v^2 / 2
KE = 0.5 * m * v^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is potential energy? Give an example.
A fish swimming in water has potential energy because it is in a liquid environment.
An example of potential energy is a rock held at the top of a hill; it has gravitational potential energy due to its elevated position.
A stretched rubber band is an example of potential energy due to its tension.
A car moving at high speed has potential energy due to its motion.
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