1.
Find the magnitude and direction of the resultant of the following forces: F1 = (5.0î - 2.5j)N, F2 = (-7.5j)N and F3 = (2.5î)N.
2.
Which of the following statements is FALSE?
3.
A skier leaves a ski jump at 15m/s at some angle © .At what speed is he traveling at his maximum height of 4.50m above the level of the end of the ski jump ? (neglect air friction)
4.
Temperature can be expressed as derived quantity in terms of any of the following
5.
If a constant non zero net external force acts on an object during a given period ,which of the following statements must be true during that time ?
6.
Which of the following represents the greatest speed?
7.
Which of the following statement(s) is/are correct? I. When an object's velocity and its acceleration are in the same direction, its speed increases with time. II. When an object's velocity and its acceleration are in the same direction, its speed decreases with time. III. When an object's velocity and its acceleration are in opposite direction, it's speed increases with time. IV. When an object's velocity and its acceleration are in opposite direction, it's speed decreases with time.
8.
Find the magnitude and direction of the resultant of the following forces: F1 = (5.0î - 2.5j)N, F2 = (-7.5j)N and F3 = (2.5î)N.
9.
A projectile is fired horizontally with a speed of 30m/s from the top of a cliff 80m high making and angle of 30° to the horizontal. Determinate the time it takes to strike the level ground at the base of the cliff.
10.
Which of the following physical quantities do not have same dimensions?
11.
A 70kg man ascends a flight of stairs of height 4m in 7s. The power expended by the man is
12.
Which of the following statement(s) is/are correct? I. When an object's velocity and its acceleration are in the same direction, its speed increases with time. II. When an object's velocity and its acceleration are in the same direction, its speed decreases with time. III. When an object's velocity and its acceleration are in opposite direction, it's speed increases with time. IV. When an object's velocity and its acceleration are in opposite direction, it's speed decreases with time.
13.
Temperature can be expressed as derived quantity in terms of any of the following
14.
A kangaroo is capable of jumping to a height of 2.62 m. Determine the takeoff speed of the kangaroo.
15.
Which of the following is a derived unit of gravitational constant
16.
All the following are true except __for Newtons law of motion
17.
Which of the following statement is not correct?
18.
Which of the following is the correct dimension for power?
19.
Which of the following physical quantities do not have same dimensions?
20.
Which of the following represents the greatest speed?