Motion And Force MCQs

Option A: 15 m

Option B: 20 m

Option C: 5 m

Option D: 25 m

Correct Answer: 15 m ✔

Option A: equal to 45 deg

Option B: equal to 90 deg

Option C: equal to each other

Option D: none of the above

Correct Answer: equal to each other ✔

Option A: 1 N

Option B: 10 N

Option C: 100 N

Option D: none

Correct Answer: 1 N ✔

Option A: straight line

Option B: parabola

Option C: hyperbola

Option D: circle

Correct Answer: parabola ✔

Option A: at2/2

Option B: Vt

Option C: a2t/2

Option D: at2

Correct Answer: at2/2 ✔

Option A: 5m/s, 1m/s

Option B: 3m/s, 3m/s

Option C: 6m/s, 1m/s

Option D: 4m/s, 2m/s

Correct Answer: 5m/s, 1m/s ✔

Option A: Constant

Option B: not constant

Option C: constant if the rate of ejected gases is constant

Option D: constant for short range rocket.

Correct Answer: Constant ✔

Option A: a gas filled ballon

Option B: bullet fired from gun

Option C: a football kicked

Option D: a base ball shot

Correct Answer: a gas filled ballon ✔

Option A: -1

Option B: 1

Option C: 2

Option D: -2

Correct Answer: 1 ✔

Option A: momentum changes but K.E remain conserve

Option B: K.E changes but momentum remain conserve

Option C: both momentum and K.E changes

Option D: both momentum and K.E remain conserve

Correct Answer: K.E changes but momentum remain conserve ✔

Option A: provide him a larger inertia

Option B: decreases his inertia

Option C: decreases his momentum

Option D: increases his momentum

Correct Answer: increases his momentum ✔

Option A: chance of collision

Option B: force acting

Option C: velocity

Option D: impulse

Correct Answer: impulse ✔

Option A: distance

Option B: force

Option C: acceleration is zero

Option D: both A and B

Correct Answer: distance ✔

Option A: force acts on the body

Option B: mass of the body

Option C: velocity of the body

Option D: both mass and velocity of the body

Correct Answer: velocity of the body ✔

Option A: force

Option B: acceleration

Option C: velocity

Option D: both force and acceleration

Correct Answer: acceleration ✔

Option A: at rest

Option B: moving slowly

Option C: move with high velocity

Option D: move with velocity comparable to velocity of light

Correct Answer: move with velocity comparable to velocity of light ✔

Option A: 1st law

Option B: 2nd law

Option C: 3rd law

Option D: all 1st, 2nd and 3rd laws

Correct Answer: 1st law ✔

Option A: acceleration

Option B: distance

Option C: force

Option D: momentum

Correct Answer: acceleration ✔

Option A: acceleration is const

Option B: acceleration is variable

Option C: acceleration is zero

Option D: velocity is zero

Correct Answer: acceleration is zero ✔

Option A: speed changes

Option B: acceleration changes

Option C: direction of motion changes

Option D: displacement from origin changes

Correct Answer: displacement from origin changes ✔

Option A: due to their shape

Option B: due to air resistance

Option C: due to angle of projection

Option D: all of these

Correct Answer: due to air resistance ✔

Option A: force

Option B: impulse

Option C: velocity

Option D: both A and C

Correct Answer: force ✔

Option A: 45

Option B: 60

Option C: 30

Option D: none

Correct Answer: 45 ✔

Option A: second law of motion

Option B: third law of motion

Option C: first law of motion

Option D: law of gravitation

Correct Answer: third law of motion ✔

Option A: 4.9 m

Option B: 19.6 m

Option C: 39.2 m

Option D: 44.1 m

Correct Answer: 19.6 m ✔

Option A: tan-1 ¼

Option B: tan-1 4

Option C: tan-1 ½

Option D: tan-1 2

Correct Answer: tan-1 4 ✔

Option A: 1st law of motion

Option B: 2nd law of motion

Option C: Law of conservation of momentum

Option D: law of conservation of energy

Correct Answer: Law of conservation of momentum ✔

Option A: H=gT2/8

Option B: H=8T2/g

Option C: H=8g/T2

Option D: H=gT2

Correct Answer: H=gT2/8 ✔

Option A: straight inclined line.

Option B: parabola

Option C: inclined curve

Option D: declined curve

Correct Answer: straight inclined line. ✔

Option A: Centripetal force

Option B: Gravitational force

Option C: Their inertia

Option D: Centrifugal force

Correct Answer: Centrifugal force ✔

Option A: solid and soft

Option B: soft and elastic

Option C: solid and hard

Option D: hard and elastic

Correct Answer: solid and hard ✔

Option A: force, displacement

Option B: force, velocity

Option C: force, acceleration

Option D: force, momentum

Correct Answer: force, acceleration ✔

Option A: MLT-2

Option B: ML2T-2

Option C: ML2T2

Option D: ML-2T-2

Correct Answer: MLT-2 ✔

Option A: effect of force

Option B: existence of a force

Option C: existence of two forces

Option D: existence of pair of forces in nature

Correct Answer: existence of pair of forces in nature ✔

Option A: rest

Option B: motion

Option C: velocity

Option D: force

Correct Answer: force ✔

Option A: volume

Option B: density

Option C: mass

Option D: temperature

Correct Answer: mass ✔

Option A: has zero acceleration

Option B: has uniform acceleration

Option C: has variable acceleration

Option D: moves in a circle

Correct Answer: has zero acceleration ✔

Option A: force

Option B: displacement

Option C: distance

Option D: acceleration

Correct Answer: displacement ✔

Option A: 10m/s

Option B: 36m/s

Option C: zero

Option D: infinite

Correct Answer: zero ✔

Option A: its velocity

Option B: its acceleration

Option C: its position vector

Option D: its momentum

Correct Answer: its position vector ✔