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WorksheetsUnit Review: Gr 8
Total questions: 20
Worksheet time: 36mins
Which of the following is classified as inertia of motion?
The gravity on the moon is 1/27 of that on Earth. What is the gravity on the moon if the gravity on Earth is 9.8 m/s^2?
0.363 m/s^2
3.63 m/s^2
36.3 m/s^2
363 m/s^2
(a) is a kind of action that occurs as two or more objects have an effect upon one another.
A boat is sailing and has an initial velocity of 3.18 m/s and a final velocity of 35.4 m/s. What would be the net force of the 998 kg in 64 seconds?
502.43 F
502.43 N
50.243 m/s^2
50.243 N
What type of inertia is shown in the figure?
Inertia of direction
Inertia of motion
Inertia of rest
none of the above
(a) is the ability of an object to resist motion.
Which of the following is true about the law of acceleration?
The heavier the object the slower it moves.
The acceleration of an object is directly proportional to its mass.
The acceleration of an object is inversely proportional to its mass.
Which of the following situations is classified as an example of the law of acceleration?
A 35 kg man on earth has a weight of ______. (g = 9.8 m/s^2)
3.43 N
34.3 N
343 N
3,430 N
(a) is the ability of an object to change its speed, direction, or both.
Which of the following is not a property of interaction forces?
The forces are of equal magnitude
Interaction will happen if they are acting on different objects
Objects will be considered interacting if they are not in the same line of action
Interacting objects should be coming from opposite directions
Given a frictional force of 135 N and the coefficient of friction of 0.02, what will be the normal force?
6.75 N
67.5 N
6,750 N
none of the choices
(a) was the one who came up with violent motion and natural motion.
A 130 kg box is being pushed horizontally on a 380 N force, what is the acceleration of the box? :)
0.292 m/s^2
2.92 m/s^2
29.2 m/s^2
292 m/s^2
Which of the following is considered as an example of law of interaction?
Stanlee is being chased by a dog because he had stepped on its tail. If Stanlee had a final velocity of 17.9 m/s from rest, what would be his acceleration in 18 seconds?
0.994 m/s^2
9.94 m/s^2
99.4 m/s^2
994 m/s^2
Which of the following is true about the three laws of motion?
Sir Isaac Newton is the one who came up with the three laws of motion.
The three laws of motion were originally from violent motion and natural motion.
Sir Isaac Newton came up with the three laws all by himself.
The three laws of motion are all from observation and experimentation.
You're about to go to planet Dathomir and was assigned to look for its gravity. Your mass on Earth is 48.5 kg and you found out that your weight on planet Dathomir is 3 times your weight on Earth. What is the gravity on planet Dathomir? (gravity on Earth 9.8 m/s^2)
0.0294 m/s^2
0.294 m/s^2
2.94 m/s^2
29.4 m/s^2
(a) friction is a frictional force that prevents an object from stopping its motion.
Identify the interaction forces by stating the action and reaction in the situation.
