Class 7 Science MCQs - Chapter 10
Forces Effects Multiple Choice Questions (MCQs) PDF Download - 1
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The Forces effects Multiple Choice Questions (MCQs) with Answers PDF (forces effects MCQs PDF e-Book) download Ch. 10-1 to study Grade 7 Science Course. Learn Forces Effects Quiz Questions and Answers to study online certificate courses. The Forces Effects MCQs App Download: Free learning app for frictional force, what is force, upthrust and density test prep for school certificate.
The Multiple Choice Question (MCQ): The force of friction can be reduced by the help of; "Forces Effects" App Download (Free) with answers: Lubricants; Ball bearing; Cushion surfaces; to study online certificate courses. Solve Frictional Force MCQ Questions, download Google eBook (Free Sample) for online degrees.
Forces Effects MCQs with Answers PDF Download: Quiz 1
The force of friction can be reduced by the help of
- ball bearing
- lubricants
- cushion surfaces
- all of them
A force which occurs when two surfaces come in contact and slows down motion while acting in
- opposite direction
- same direction
- same and opposite direction
- both a and b
Force can
- speed up
- slow down
- stop an object
- all of them
Friction between moving parts of machine causes
- heat
- light
- energy
- oil
When upthrust is equal to the weight of an object, it
- floats
- sinks
- moves
- stops
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