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# Explore Questions on "MCAT"

There are total 6 questions found on the topic "MCAT". Check all the answers posted by our expert tutors and trainers. If you have any query on MCAT kindly post it and get free answers from our tutors.

## Which of the following statements is true of movement on a plane with friction? I. Acceleration is a function of applied force only. II. More force is needed to accelerate a stationary object than a moving object. III. The force of friction is independent of the mass of objects.

• A

I Only

• B

II Only

• C

I And II Only

• D

I And III Only

Posted by: Singh Abhishek Dineshbahadur on: 11 Jan, 2018

## A 20 kg wagon is released from rest from the top of a 15 m long lane, which is angled at 30° with the horizontal. Assuming that there is friction between the ramp and the wagon, how is this frictional force affected if the angle of the incline is increased?

• A

The Frictional Force Increases.

• B

The Frictional Force Decreases.

• C

The Frictional Force Remains The Same.

• D

It Cannot Be Determined From The Information Given.

Posted by: Shakeel Khan on: 11 Jan, 2018

## A firefighter jumps horizontally from a burning building with an initial speed of 1.5 m/s At what time is the angle between his velocity and acceleration vectors the greatest?

• A

The Instant He Jumps

• B

When He Reaches Terminal Velocity

• C

Halfway Through His Fall

• D

Right Before He Lands On The Ground

Posted by: Kuldeep Chauhan on: 11 Jan, 2018

## An elevator is designed to carry a maximum weight of 9800 N (including its own weight), and to move upward at a speed of 5m/s after an initial period of acceleration. What is the relationship between the maximum tension in the elevator cable and the maximum weight of the elevator while the elevator is accelerating upward?

• A

The Tension Is Greater Than 9800 N.

• B

The Tension Is Less Than 9800 N.

• C

The Tension Equals 9800 N.

• D

It Cannot Be Determined From The Information Given.

Posted by: Ajaz Khan on: 11 Jan, 2018

## A car is traveling at 40 km/h and the driver puts on the brakes, bringing the car to rest in a time of 6 s. What is the magnitude of the average acceleration of the car?

Posted by: Augustine Anandkumar.m on: 11 Jan, 2018

## What is MCAT Exam?

Posted by: Jasjit Singh Chawla on: 25 Aug, 2016