mechanics (mass, force, acceleration, work, energy, momentum, velocity) - Category wise Question and Answer Practice Test with Solutions

Question : 1 [CDS]

If an object having mass of 1 kg is subjected to a force of 1 N it moves with

a) an acceleration of 10 m/s²

b) a speed of 1 km/s

c) a speed of 1 m/s

d) an acceleration of 1 m/s²

Question : 2

Two bodies A and B have masses M and m respectively where M > m and they are at a distance d apart. Equal force is applied to them so that they approach each other. The position where they hit each other is

a) at equal distance from A and B

b) nearer to A

c) nearer to B

d) cannot be determined

Question : 3

Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in figure. Choose the correct statement.

a) Car C is faster than car D.

b) Car B is the slowest.

c) Car A is faster than car D

d) Car C is the lowest.

Question : 4 [IAS (Pre) 1997]

Which one of the following is a vector quantity?

a) Energy

b) Pressure

c) Momentum

d) Work

Question : 5

The relative velocity v_AB or v_BA of two bodies A and B may be

1. greater than the velocity of body A
2. greater than the velocity of body B
3. less than the velocity of body A
4. less than the velocity of body B

a) (1), (2) and (3) only

b) (3) and (4) only

c) (1) and (2) only

d) (1), (2), (3) and (4).