Dynamics

Quiz
•
Physics
•
9th Grade
•
Hard
soh weiyong1975
Used 2+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A man pulls a sledge of mass 25 kg across level ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge?
0.63 m/s²
1.6 m/s²
2.4 m/s²
3.2 m/s²
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A metal ball of mass 0.30 kg and weight 3.0 N is held so that it is below the surface of oil.
It experiences an upwards force of 0.30 N.
When the ball is released, what is its initial acceleration?
1.0 m/s²
9.0 m/s²
10 m/s²
11 m/s²
Answer explanation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An apple of mass 0.15 kg and weight 1.5 N falls from a tree. At one point during its fall, the air resistance on the apple is 0.60 N upwards. What is the acceleration of the apple at this point?
4.0 m/s²
6.0 m/s²
10 m/s²
14 m/s²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which object has the largest resultant force?
object C
Object D
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
In which example does friction act in the direction of forward motion of the object on which it acts?
on a suitcase accelerating on a conveyor belt
on sandpaper rubbing a wooden block
on the skis of a skier accelerating downhill on smooth snow
on the tyres of a braking car
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
In which situation is the resultant force on the body equal to zero?
a car turning a corner at constant speed
a rock falling freely on the Moon
a train going up a straight hill at constant speed in a straight line
an aircraft accelerating along a runway in a straight line
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A body slides down a frictionless slope as shown. As the body presses on the surface, the surface pushes back on the body. The force of the surface on the body is sometimes called the reaction force. In which direction does the reaction force act?
Direction A
Direction B
Direction C
Direction D
Answer explanation
Normal reaction force is perpendicular to the inclined slope.
Create a free account and access millions of resources
Similar Resources on Wayground
30 questions
Unit 9: Electrostatics and Electric Fields

Quiz
•
11th - 12th Grade
27 questions
Mcas Physics

Quiz
•
9th Grade
36 questions
Project 2 Review

Quiz
•
9th Grade - University
27 questions
Impulse and Momentum Review

Quiz
•
9th - 12th Grade
27 questions
Momentum, Collisions, and Impulse

Quiz
•
9th - 12th Grade
29 questions
Force and Momentum

Quiz
•
9th - 12th Grade
29 questions
Newton's 1st, 2nd and 3rd Laws

Quiz
•
6th - 9th Grade
28 questions
Review: Forces at a Distance

Quiz
•
9th - 12th Grade
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
10 questions
UPDATED FOREST Kindness 9-22

Lesson
•
9th - 12th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
US Constitution Quiz

Quiz
•
11th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Physics
20 questions
Position vs. Time Graphs

Quiz
•
9th Grade
25 questions
Newton's Laws of Motion

Quiz
•
9th Grade
20 questions
Claim Evidence Reasoning

Quiz
•
9th - 12th Grade
17 questions
Free Body Diagrams

Quiz
•
9th - 12th Grade
10 questions
Exit Check 3.3 - Universal Gravitation

Quiz
•
9th Grade
10 questions
Exit Check 3.4 - Moon's Orbit

Quiz
•
9th Grade
10 questions
Exit Check 3.5 - Earth's Orbit

Quiz
•
9th Grade
10 questions
Distance & Displacement

Quiz
•
9th - 12th Grade