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Forces Unit Review

Authored by Karen Arthur

Physics

9th Grade

Used 31+ times

Forces Unit Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car with a mass of 1115 kg accelerates at 0.18 m/s2 when 200 N of force is applied. If the mass doubles and the force is the same what would the new acceleration be?

0.09 m/s2

0.36 m/s2

200.7 N

200.7 m/s2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A friend throws a ping-pong ball and a basketball to you with the same amount of force. Which would accelerate more and why?

The basketball because it was thrown with more force.

The basketball because it has more mass.

The ping-pong ball because it has less mass.

The ping-pong ball because it was thrown with more force.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A friend throws a ping-pong ball and a basketball to you with the same amount of force. Which Newton's Law describes the concept of which would have a greater acceleration?

Newton's 1st Law

Newton's 2nd Law

Newton's 3rd Law

None because Newton's Laws are just about motion.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the net force and direction of movement for this object?

6 N up

8.5 N left

1.5 N right

1.5 N left

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How did you determine the net force?

Look for the largest force and that is your net force.

Add the opposite forces to get a combined net force.

Subtract the opposing forces to find the net force. You also give a direction.

Add all the numbers together to get the total force on the object.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Net force is the vector _______ of all the ________ acting on an object.

sum, forces

direction, forces

force, quantities

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Newton's 1st Law state that an object in motion stays in motion or an object at rest stays at rest unless acted upon by a/an

opposite force.

unbalanced force.

heavier mass.

gravitational force.

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