F=MA

F=MA

Assessment

Assessment

Created by

Dena Gifford

Science, Physics

8th Grade

61 plays

Easy

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14 questions

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1.

Multiple Choice

1 min

1 pt

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What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

102.04 n

9,800 n

980 n

103 n

2.

Multiple Choice

1 min

1 pt

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

100 m/s2

25,000 m/s2

10 m/s2

25 m/s2

3.

Multiple Choice

30 sec

1 pt

Newtons 1st law of motion states:

An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.

For every action there is an equal and opposite reaction. 

Acceleration is produced when a force. acts on a mass. 

The greater the mass  the greater the amount of force needed to change its motion. 

4.

Multiple Choice

1 min

1 pt

A 50 kg skater pushed by a friend accelerates 5 m/sec2.  How much force did the friend apply?

45 N

15 N 

10 N

250 N

5.

Multiple Choice

1 min

1 pt

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2.  What is the mass of the object?

100kg 

1,250kg

50kg

5kg

6.

Multiple Choice

30 sec

1 pt

Which is an unbalance force?

A book sitting on a desk.

A ball moving in a constant speed in the same direction. 

While doing a mannequin challenge Jose suddenly falls over when a bug lands on his nose. 

Every student in class is sitting perfectly still at their desks.

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