2.
Two forces of 8 N and 6 N are acting at a point, making 120⁰ with each other. What is the magnitude of resultant force and direction of resultant force from the smaller force?
3.
A particle is moving with a constant speed along a straight line path. A force is not required to
4.
When a bus suddenly takes a turn, the passenger is thrown outwards because of
5.
What is the force on the body of mass 10 kg if its velocity increases from 10 m/s to 20 m/s covers a distance of 100 m?
6.
Kinetic energy (K) is related with linear momentum (P) as:
7.
A man is moving up in a lift. His apprent weight
9.
Mark the increasing order of three frictions.
10.
A block of 2 kg is placed on horizontal rough surface. The coefficient of static friction and kinetic friction are 0.6 and 0.4 respectively. An external force of 20 N is applied on the block alongthe horizontal direction. State whether the block will move or not and what is the frictional force and acceleration of the block? Take g = 10 m/s².
11.
Two masses 5 kg and 7 kg are connected with string and is moved by a 24 N force on a horizontal smooth surface. The tension between two blocks will be
12.
The position-time graph of a particle of mass m is a straight line parallel to time axis. The force on the particle will be
13.
Two masses of 2 kg and 3 kg are attached on either side of a smooth pully tied on a fixed support vertically. Assume the string inextensible, what is the acceleration of each block? Take g = 10 m/s².
14.
Angle of friction is angle between
15.
In conservation of linear momentum, the total momentum remains
16.
Angle of repose in the inclined surface on whicha block is placed is the
17.
The SI unit of friction is
18.
For the block not to move on a rough horizonatl surface,
19.
If the block does not move placed on rough horizontal surface,
20.
A force of friction is 10 N and a force of 12 N is applied on a block of mass 2 kg placed on rough horizontal surface. What is the acceleration of the block?
21.
If no force is applied on a block, the block will be
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