Advertisements
Advertisements
Question
Define contact forces.
Solution
The forces which are applied on a body through a connector, are called contact forces. Forces like Frictional force, Mechanical force, etc., are the forces of contact.
APPEARS IN
RELATED QUESTIONS
Define the term Force?
Complete the following sentence:
Mass X change in velocity = ............x time interval.
Define Newton (the S.I unit of force)
A lead bullet of mass 20g, travelling with a velocity of 350 ms-1, comes to rest after penetrating 40 cm in a still target. Find:
1) the resistive force offered by the target and
2) the retardation caused by it
A uniform car of mass 500g travels with a uniform velocity of 25 ms-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s calculate
1) the retardation
2) the distance which the car travels after the brakes are applied
3) The force exerted by the brakes.
A truck of mass `5 xx 10^3` kg starting from rest travels a distance of 0.5 km in 10 s when a force is applied on its calculate:
1) the acceleration acquired by the truck and
2) the force applied
If we apply force against the direction of motion of the body, then the body will
To produce a displacement ______ is required.
Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?
Can you lift or push a book lying on a table without touching it?
