Question # 1

A monkey is accelerating down a string whose breaking strength is two third of his weight. The minimumacceleration of the monkey should be

Choose an answer

1/3g

g

2/3 g

0 m/s2

Two projectiles ‘A’ and ‘B’ are thrown with same speed but at angle of 40 degree and 50 degree with the horizontal. The horizontal range of ‘A’ will be:

Choose an answer

Equal to that of ‘B’

Greater than that of ‘B’

Less than that of ‘B’

4/5times that of ‘B’

The angle of projection, at which the range of projectile would become half of its maximum value.

Choose an answer

45Degree

30Degree

15Degree

60 Degree

A stone is thrown upwards it returns to ground describing a parabolic path which of the following remains constant:

Choose an answer

Speed of the ball

Kinetic energy of the ball

Vertical component of velocity

) Horizontal component of velocity

If the range of a projectile is R, the potential energy will be maximum after the projectile has covered (from start) distance equal to:

Choose an answer

R/2

R/4

R

R/9

A particle executing one dimensional motion, finally comes to rest, what will be the angle between acceleration and displacement during motion:

Choose an answer

0

π

𝜋/2

𝜋/4

A boy is travelling from Lahore to Karachi with uniform velocity . Its

Choose an answer

Speed changes

Acceleration changes

Direction of motion changes

Displacement from origin changes

Two bodies are projected at angle 𝜽 𝒂𝒏𝒅 (𝟗𝟎 − 𝜽) to the horizontal with the same speed. The ratio of their times of flight is:

Choose an answer

sin 𝜃 : 1

cos 𝜃 : 1

sin 𝜃 : cos𝜃

cos 𝜃 : sin𝜃

What is the resultant force in the diagram shown?

Choose an answer

Zero

6N to left

6N to right

11N to right

A rigid uniform bar of length 2.4 m is pivoted horizontally at its mid-point, weights are hung from two points of the bar as shown in diagram. To maintain horizontal equilibrium, a couple is applied to the bar: What is the torque and the direction of couple?

Choose an answer

40 N m clockwise

40 N m anti-clockwise

80 N m clockwise

80 N m anti-clockwise

Two bodies are projected at angles  and (90°–) with the horizontal at the same speed.The ratio of their maximum heights is

Choose an answer

1 : 1

1 : tan 

tan² : 1

The angular momentum of a body changes from 30 J-S to 50 J-S in 0.5 sec. The torque acting on it is

Choose an answer

40 N-m

100 N-m

50 N-m

150 N-m

Speedometer of an automobile measures

Choose an answer

Average velocity

Instantaneous velocity

Acceleration

Instantaneous speed

Swimming is possible on account of

Choose an answer

1^st law of motion

2^nd law of motion

3^rd law of motion

Newton’s law of Gravitation

A body is in translational equilibrium if

Choose an answer

P = 0

L = 0

F = 0

 = 0

At the highest point on the trajectory of a projectile, its

Choose an answer

Potential energy is minimum

Kinetic energy is maximum

Total energy is maximum

Kinetic energy is minimum

Two railway trucks of masses m and 3m move towards each other in opposite directions with speeds 2v and v respectively. These trucks collide and stick together. What is the speed of the trucks after the collision?

Choose an answer

v/4

v/2

v

5v/4

The time of flight of a projectile is maximum when angle of projection is:

Choose an answer

30 Degree

45Degree

60Degree

90Degree

As in linear motion force determines linear acceleration where as in circular motion torque determines its

Choose an answer

Angular acceleration

Linear acceleration

Vibratory acceleration

Tangential acceleration

More Classes

Other Links

MDCAT Physics Chapter 1 Force and motion Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer