# Assumptions for Equations of Motions

## Trending Questions

**Q.**

A body whose speed is constant

(a) must be accelerated

(b) might be accelerated

(c) has a constant velocity

(d) cannot be accelerated

**Q.**

A particle with uniform acceleration in a striaght line, has velocity v m/s at a position x metre given as . Its acceleration is:

-8 m/s

^{2}8 m/s

^{2}14 m/s

^{2}16 m/s

^{2}

**Q.**

The velocity of a body at the end of 5 sec is 30m/s, at the end of 12sec is 58 m/s and at the end of 22 sec it is 98 m/s. The body is moving with

Uniform velocity

Uniform acceleration

Uniform retardation

Uniform displacement

**Q.**When a traffic light turns green a car moves with a constant acceleration of 2m/s square . At the same time a truck moves with a constant speed of 10m/s , overtakes and passes the car

A) how far beyond the starting point will the car over take the truck.

B) how fast will the car be traveling at that instance

**Q.**An object is moving with uniform acceleration a and its initial velocity is u. After time t, its velocity v is given by

- v = u + at2
- v = u + at
- v = u + ½at2
- v = u + a

**Q.**A body is moving with a velocity of 10m/s .if the motion is uniform.what will be the velocity after 10 sec

**Q.**

Use the following information to answer the next question.

A bus accelerates uniformly from 15 m/s to 20 m/s in 6 s.

What is the distance covered by the bus during its acceleration?

75 m

90 m

105 m

185 m

**Q.**

When you will say a body is in

uniform accleration

non uniform accleration

**Q.**

A car has initial velocity of 5 m/s is increasing its acceleration uniformly by 2 m/s2. At what distance will be the car after 12 seconds ?

**Q.**A train is moving with uniform acceleration. The two ends of the train pass through a point on the track with velocity v1 and v2. With what velocity the middle point of train would pass through the same point

**Q.**The equations of motion are applicable in which of the following conditions?

- Non-uniform acceleration
- Continuously increasing acceleration
- Continuously decreasing acceleration
- Uniform acceleration

**Q.**A body is moving with an intial velocity of u. If the body never accelerated, its velocity after t seconds is given by

- -u
- ut
- -ut
- u

**Q.**The slope of the velocity - time graph provides displacement.

- True
- False

**Q.**Velocity of an object in uniform circular motion is constant.

- False
- True

**Q.**A car starts from rest. At t=1 s, it attains a speed of 5m/s. At t=2s, the speed becomes 15 m/s. The car is undergoing uniform acceleration.

- True
- False

**Q.**Equations of motion are developed for objects having__________.

- constant acceleration
- constant velocity
- constant speed
- varying time

**Q.**The equations of motion are developed for objects having constant acceleration and undergoing one dimensional motion.

- True
- False

**Q.**An object thrown vertically upwards, rises to a maximum height of 10 m. What is the velocity with which it is thrown upwards? (Take g=9.8 m s−2)

- 14

**Q.**Tap the correct pair

- S=ut+12at2
- v=u+at
- v2=u2+2as
- First equation
- Second equation
- Third equation

**Q.**A particle moving with a velocity v changes its direction of motion by an angle theta without change in speed, then how themagnitude of change in velocity is 2vsin(θ/2)

**Q.**Uniform circular motion is an non-accelerated motion.

- True
- False